diff --git a/src/carrera-programa/carrera-programa.controller.ts b/src/carrera-programa/carrera-programa.controller.ts
index bc46c19..cdea81c 100644
--- a/src/carrera-programa/carrera-programa.controller.ts
+++ b/src/carrera-programa/carrera-programa.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { CarreraProgramaService } from './carrera-programa.service';
 
 @Controller('carrera-programa')
-export class CarreraProgramaController {}
+export class CarreraProgramaController {
+  constructor(private carreraProgramaService: CarreraProgramaService) {}
+}
diff --git a/src/carrera-programa/carrera-programa.service.ts b/src/carrera-programa/carrera-programa.service.ts
index fc63e7e..bca7c6d 100644
--- a/src/carrera-programa/carrera-programa.service.ts
+++ b/src/carrera-programa/carrera-programa.service.ts
@@ -1,4 +1,12 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { CarreraPrograma } from './carrera-programa.entity';
 
 @Injectable()
-export class CarreraProgramaService {}
+export class CarreraProgramaService {
+  constructor(
+    @InjectRepository(CarreraPrograma)
+    private repository: Repository<CarreraPrograma>,
+  ) {}
+}
diff --git a/src/carrera/carrera.controller.ts b/src/carrera/carrera.controller.ts
index e122a69..958d86a 100644
--- a/src/carrera/carrera.controller.ts
+++ b/src/carrera/carrera.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { CarreraService } from './carrera.service';
 
 @Controller('carrera')
-export class CarreraController {}
+export class CarreraController {
+  constructor(private carreraService: CarreraService) {}
+}
diff --git a/src/carrera/carrera.service.ts b/src/carrera/carrera.service.ts
index 50b04a5..e3063ff 100644
--- a/src/carrera/carrera.service.ts
+++ b/src/carrera/carrera.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Carrera } from './carrera.entity';
 
 @Injectable()
-export class CarreraService {}
+export class CarreraService {
+  constructor(
+    @InjectRepository(Carrera) private repository: Repository<Carrera>,
+  ) {}
+}
diff --git a/src/carrito/carrito.controller.ts b/src/carrito/carrito.controller.ts
index 2c2d06e..a702de4 100644
--- a/src/carrito/carrito.controller.ts
+++ b/src/carrito/carrito.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { CarritoService } from './carrito.service';
 
 @Controller('carrito')
-export class CarritoController {}
+export class CarritoController {
+  constructor(private carritoService: CarritoService) {}
+}
diff --git a/src/carrito/carrito.service.ts b/src/carrito/carrito.service.ts
index 651b286..5086928 100644
--- a/src/carrito/carrito.service.ts
+++ b/src/carrito/carrito.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Carrito } from './carrito.entity';
 
 @Injectable()
-export class CarritoService {}
+export class CarritoService {
+  constructor(
+    @InjectRepository(Carrito) private repository: Repository<Carrito>,
+  ) {}
+}
diff --git a/src/equipo/equipo.controller.ts b/src/equipo/equipo.controller.ts
index e85f2df..1de65d7 100644
--- a/src/equipo/equipo.controller.ts
+++ b/src/equipo/equipo.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { EquipoService } from './equipo.service';
 
 @Controller('equipo')
-export class EquipoController {}
+export class EquipoController {
+  constructor(private equipoService: EquipoService) {}
+}
diff --git a/src/equipo/equipo.service.ts b/src/equipo/equipo.service.ts
index 7e892f2..34921ec 100644
--- a/src/equipo/equipo.service.ts
+++ b/src/equipo/equipo.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Equipo } from './equipo.entity';
 
 @Injectable()
-export class EquipoService {}
+export class EquipoService {
+  constructor(
+    @InjectRepository(Equipo) private repository: Repository<Equipo>,
+  ) {}
+}
diff --git a/src/hora-excepcion/hora-excepcion.controller.ts b/src/hora-excepcion/hora-excepcion.controller.ts
index 5e8600a..1feed32 100644
--- a/src/hora-excepcion/hora-excepcion.controller.ts
+++ b/src/hora-excepcion/hora-excepcion.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { HoraExcepcionService } from './hora-excepcion.service';
 
 @Controller('hora-excepcion')
-export class HoraExcepcionController {}
+export class HoraExcepcionController {
+  constructor(private horaExcepcionService: HoraExcepcionService) {}
+}
diff --git a/src/hora-excepcion/hora-excepcion.module.ts b/src/hora-excepcion/hora-excepcion.module.ts
index ae3dfab..203e26c 100644
--- a/src/hora-excepcion/hora-excepcion.module.ts
+++ b/src/hora-excepcion/hora-excepcion.module.ts
@@ -2,9 +2,11 @@ import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { HoraExcepcionController } from './hora-excepcion.controller';
 import { HoraExcepcion } from './hora-excepcion.entity';
+import { HoraExcepcionService } from './hora-excepcion.service';
 
 @Module({
   imports: [TypeOrmModule.forFeature([HoraExcepcion])],
   controllers: [HoraExcepcionController],
+  providers: [HoraExcepcionService],
 })
 export class HoraExcepcionModule {}
diff --git a/src/hora_excepcion/hora_excepcion.service.spec.ts b/src/hora-excepcion/hora-excepcion.service.spec.ts
similarity index 87%
rename from src/hora_excepcion/hora_excepcion.service.spec.ts
rename to src/hora-excepcion/hora-excepcion.service.spec.ts
index 07bf5e9..0b1ac2e 100644
--- a/src/hora_excepcion/hora_excepcion.service.spec.ts
+++ b/src/hora-excepcion/hora-excepcion.service.spec.ts
@@ -1,5 +1,5 @@
 import { Test, TestingModule } from '@nestjs/testing';
-import { HoraExcepcionService } from './hora_excepcion.service';
+import { HoraExcepcionService } from './hora-excepcion.service';
 
 describe('HoraExcepcionService', () => {
   let service: HoraExcepcionService;
diff --git a/src/hora-excepcion/hora-excepcion.service.ts b/src/hora-excepcion/hora-excepcion.service.ts
new file mode 100644
index 0000000..2266507
--- /dev/null
+++ b/src/hora-excepcion/hora-excepcion.service.ts
@@ -0,0 +1,12 @@
+import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { HoraExcepcion } from './hora-excepcion.entity';
+
+@Injectable()
+export class HoraExcepcionService {
+  constructor(
+    @InjectRepository(HoraExcepcion)
+    private repository: Repository<HoraExcepcion>,
+  ) {}
+}
diff --git a/src/hora_excepcion/hora_excepcion.service.ts b/src/hora_excepcion/hora_excepcion.service.ts
deleted file mode 100644
index b031932..0000000
--- a/src/hora_excepcion/hora_excepcion.service.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import { Injectable } from '@nestjs/common';
-
-@Injectable()
-export class HoraExcepcionService {}
diff --git a/src/institucion-dia/institucion-dia.controller.ts b/src/institucion-dia/institucion-dia.controller.ts
index 00fd942..46919ce 100644
--- a/src/institucion-dia/institucion-dia.controller.ts
+++ b/src/institucion-dia/institucion-dia.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { InstitucionDiaService } from './institucion-dia.service';
 
 @Controller('institucion-dia')
-export class InstitucionDiaController {}
+export class InstitucionDiaController {
+  constructor(private institucionDiaService: InstitucionDiaService) {}
+}
diff --git a/src/institucion-dia/institucion-dia.service.ts b/src/institucion-dia/institucion-dia.service.ts
index 43bb67d..9147cf8 100644
--- a/src/institucion-dia/institucion-dia.service.ts
+++ b/src/institucion-dia/institucion-dia.service.ts
@@ -1,4 +1,12 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { InstitucionDia } from './institucion-dia.entity';
 
 @Injectable()
-export class InstitucionDiaService {}
+export class InstitucionDiaService {
+  constructor(
+    @InjectRepository(InstitucionDia)
+    private repository: Repository<InstitucionDia>,
+  ) {}
+}
diff --git a/src/institucion-infraccion/institucion-infraccion.controller.ts b/src/institucion-infraccion/institucion-infraccion.controller.ts
index 3e34349..623228b 100644
--- a/src/institucion-infraccion/institucion-infraccion.controller.ts
+++ b/src/institucion-infraccion/institucion-infraccion.controller.ts
@@ -1,4 +1,9 @@
 import { Controller } from '@nestjs/common';
+import { InstitucionInfraccionService } from './institucion-infraccion.service';
 
 @Controller('institucion-infraccion')
-export class InstitucionInfraccionController {}
+export class InstitucionInfraccionController {
+  constructor(
+    private institucionInfraccionService: InstitucionInfraccionService,
+  ) {}
+}
diff --git a/src/institucion-infraccion/institucion-infraccion.service.ts b/src/institucion-infraccion/institucion-infraccion.service.ts
index 76197a9..5b3bf67 100644
--- a/src/institucion-infraccion/institucion-infraccion.service.ts
+++ b/src/institucion-infraccion/institucion-infraccion.service.ts
@@ -1,4 +1,12 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { InstitucionInfraccion } from './institucion-infraccion.entity';
 
 @Injectable()
-export class InstitucionInfraccionService {}
+export class InstitucionInfraccionService {
+  constructor(
+    @InjectRepository(InstitucionInfraccion)
+    private repository: Repository<InstitucionInfraccion>,
+  ) {}
+}
diff --git a/src/institucion/institucion.controller.ts b/src/institucion/institucion.controller.ts
index f4284ab..d38addb 100644
--- a/src/institucion/institucion.controller.ts
+++ b/src/institucion/institucion.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { InstitucionService } from './institucion.service';
 
 @Controller('institucion')
-export class InstitucionController {}
+export class InstitucionController {
+  constructor(private institucionService: InstitucionService) {}
+}
diff --git a/src/institucion/institucion.service.ts b/src/institucion/institucion.service.ts
index 25a8238..d93ea24 100644
--- a/src/institucion/institucion.service.ts
+++ b/src/institucion/institucion.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Institucion } from './institucion.entity';
 
 @Injectable()
-export class InstitucionService {}
+export class InstitucionService {
+  constructor(
+    @InjectRepository(Institucion) private repository: Repository<Institucion>,
+  ) {}
+}
diff --git a/src/modulo/modulo.controller.ts b/src/modulo/modulo.controller.ts
index 5f9269b..c841284 100644
--- a/src/modulo/modulo.controller.ts
+++ b/src/modulo/modulo.controller.ts
@@ -1,6 +1,6 @@
 import { Controller, Get, Query } from '@nestjs/common';
-import { ModulosDto } from './dto/modulos.dto';
 import { ModuloService } from './modulo.service';
+import { ModulosDto } from './dto/modulos.dto';
 @Controller('modulo')
 export class ModuloController {
   constructor(private moduloService: ModuloService) {}
diff --git a/src/motivo/motivo.controller.ts b/src/motivo/motivo.controller.ts
index 0261bd0..13e3198 100644
--- a/src/motivo/motivo.controller.ts
+++ b/src/motivo/motivo.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { MotivoService } from './motivo.service';
 
 @Controller('motivo')
-export class MotivoController {}
+export class MotivoController {
+  constructor(private motivoService: MotivoService) {}
+}
diff --git a/src/motivo/motivo.service.ts b/src/motivo/motivo.service.ts
index fc874ca..ca6e231 100644
--- a/src/motivo/motivo.service.ts
+++ b/src/motivo/motivo.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Motivo } from './motivo.entity';
 
 @Injectable()
-export class MotivoService {}
+export class MotivoService {
+  constructor(
+    @InjectRepository(Motivo) private repository: Repository<Motivo>,
+  ) {}
+}
diff --git a/src/multa/multa.controller.ts b/src/multa/multa.controller.ts
index 50fdf3c..3c7296a 100644
--- a/src/multa/multa.controller.ts
+++ b/src/multa/multa.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { MultaService } from './multa.service';
 
 @Controller('multa')
-export class MultaController {}
+export class MultaController {
+  constructor(private multaService: MultaService) {}
+}
diff --git a/src/multa/multa.service.ts b/src/multa/multa.service.ts
index 3402c6b..bfb8788 100644
--- a/src/multa/multa.service.ts
+++ b/src/multa/multa.service.ts
@@ -1,4 +1,9 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Multa } from './multa.entity';
 
 @Injectable()
-export class MultaService {}
+export class MultaService {
+  constructor(@InjectRepository(Multa) private repository: Repository<Multa>) {}
+}
diff --git a/src/operador/operador.controller.ts b/src/operador/operador.controller.ts
index a64e145..1481fef 100644
--- a/src/operador/operador.controller.ts
+++ b/src/operador/operador.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { OperadorService } from './operador.service';
 
 @Controller('operador')
-export class OperadorController {}
+export class OperadorController {
+  constructor(private operadorService: OperadorService) {}
+}
diff --git a/src/operador/operador.service.ts b/src/operador/operador.service.ts
index b1b95c8..d9e6347 100644
--- a/src/operador/operador.service.ts
+++ b/src/operador/operador.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Operador } from './operador.entity';
 
 @Injectable()
-export class OperadorService {}
+export class OperadorService {
+  constructor(
+    @InjectRepository(Operador) private repository: Repository<Operador>,
+  ) {}
+}
diff --git a/src/prestamo/prestamo.controller.ts b/src/prestamo/prestamo.controller.ts
index 2b3554f..be06f4a 100644
--- a/src/prestamo/prestamo.controller.ts
+++ b/src/prestamo/prestamo.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { PrestamoService } from './prestamo.service';
 
 @Controller('prestamo')
-export class PrestamoController {}
+export class PrestamoController {
+  constructor(private prestamoService: PrestamoService) {}
+}
diff --git a/src/prestamo/prestamo.service.ts b/src/prestamo/prestamo.service.ts
index 0b354d3..06588db 100644
--- a/src/prestamo/prestamo.service.ts
+++ b/src/prestamo/prestamo.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Prestamo } from './prestamo.entity';
 
 @Injectable()
-export class PrestamoService {}
+export class PrestamoService {
+  constructor(
+    @InjectRepository(Prestamo) private repository: Repository<Prestamo>,
+  ) {}
+}
diff --git a/src/programa/programa.controller.ts b/src/programa/programa.controller.ts
index 2230321..f069aff 100644
--- a/src/programa/programa.controller.ts
+++ b/src/programa/programa.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { ProgramaService } from './programa.service';
 
 @Controller('programa')
-export class ProgramaController {}
+export class ProgramaController {
+  constructor(private programaService: ProgramaService) {}
+}
diff --git a/src/programa/programa.service.ts b/src/programa/programa.service.ts
index 66b4619..e36d600 100644
--- a/src/programa/programa.service.ts
+++ b/src/programa/programa.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Programa } from './programa.entity';
 
 @Injectable()
-export class ProgramaService {}
+export class ProgramaService {
+  constructor(
+    @InjectRepository(Programa) private repository: Repository<Programa>,
+  ) {}
+}
diff --git a/src/status/status.controller.ts b/src/status/status.controller.ts
index cea0f7d..0a9b037 100644
--- a/src/status/status.controller.ts
+++ b/src/status/status.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { StatusService } from './status.service';
 
 @Controller('status')
-export class StatusController {}
+export class StatusController {
+  constructor(private statusService: StatusService) {}
+}
diff --git a/src/status/status.service.ts b/src/status/status.service.ts
index aebcee1..cf1a97f 100644
--- a/src/status/status.service.ts
+++ b/src/status/status.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Status } from './status.entity';
 
 @Injectable()
-export class StatusService {}
+export class StatusService {
+  constructor(
+    @InjectRepository(Status) private repository: Repository<Status>,
+  ) {}
+}
diff --git a/src/tipo-carrito/tipo-carrito.controller.ts b/src/tipo-carrito/tipo-carrito.controller.ts
index 1bafc23..33116fa 100644
--- a/src/tipo-carrito/tipo-carrito.controller.ts
+++ b/src/tipo-carrito/tipo-carrito.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { TipoCarritoService } from './tipo-carrito.service';
 
 @Controller('tipo-carrito')
-export class TipoCarritoController {}
+export class TipoCarritoController {
+  constructor(private tipoCarritoService: TipoCarritoService) {}
+}
diff --git a/src/tipo-carrito/tipo-carrito.service.ts b/src/tipo-carrito/tipo-carrito.service.ts
index b0e8307..158a9b2 100644
--- a/src/tipo-carrito/tipo-carrito.service.ts
+++ b/src/tipo-carrito/tipo-carrito.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { TipoCarrito } from './tipo-carrito.entity';
 
 @Injectable()
-export class TipoCarritoService {}
+export class TipoCarritoService {
+  constructor(
+    @InjectRepository(TipoCarrito) private repository: Repository<TipoCarrito>,
+  ) {}
+}
diff --git a/src/tipo-entrada/tipo-entrada.controller.ts b/src/tipo-entrada/tipo-entrada.controller.ts
index d562265..325179f 100644
--- a/src/tipo-entrada/tipo-entrada.controller.ts
+++ b/src/tipo-entrada/tipo-entrada.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { TipoEntradaService } from './tipo-entrada.service';
 
 @Controller('tipo-entrada')
-export class TipoEntradaController {}
+export class TipoEntradaController {
+  constructor(private tipoEntradaService: TipoEntradaService) {}
+}
diff --git a/src/tipo-entrada/tipo-entrada.service.ts b/src/tipo-entrada/tipo-entrada.service.ts
index 5be5d37..ca9394b 100644
--- a/src/tipo-entrada/tipo-entrada.service.ts
+++ b/src/tipo-entrada/tipo-entrada.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { TipoEntrada } from './tipo-entrada.entity';
 
 @Injectable()
-export class TipoEntradaService {}
+export class TipoEntradaService {
+  constructor(
+    @InjectRepository(TipoEntrada) private repository: Repository<TipoEntrada>,
+  ) {}
+}
diff --git a/src/tipo-usuario/tipo-usuario.controller.ts b/src/tipo-usuario/tipo-usuario.controller.ts
index dff271d..767fa71 100644
--- a/src/tipo-usuario/tipo-usuario.controller.ts
+++ b/src/tipo-usuario/tipo-usuario.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { TipoUsuarioService } from './tipo-usuario.service';
 
 @Controller('tipo-usuario')
-export class TipoUsuarioController {}
+export class TipoUsuarioController {
+  constructor(private tipoUsuarioService: TipoUsuarioService) {}
+}
diff --git a/src/tipo-usuario/tipo-usuario.service.ts b/src/tipo-usuario/tipo-usuario.service.ts
index 25d0482..8bf0063 100644
--- a/src/tipo-usuario/tipo-usuario.service.ts
+++ b/src/tipo-usuario/tipo-usuario.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { TipoUsuario } from './tipo-usuario.entity';
 
 @Injectable()
-export class TipoUsuarioService {}
+export class TipoUsuarioService {
+  constructor(
+    @InjectRepository(TipoUsuario) private repository: Repository<TipoUsuario>,
+  ) {}
+}
diff --git a/src/usuario/usuario.controller.ts b/src/usuario/usuario.controller.ts
index 461d6d6..c1a9268 100644
--- a/src/usuario/usuario.controller.ts
+++ b/src/usuario/usuario.controller.ts
@@ -1,4 +1,7 @@
 import { Controller } from '@nestjs/common';
+import { UsuarioService } from './usuario.service';
 
 @Controller('usuario')
-export class UsuarioController {}
+export class UsuarioController {
+  constructor(private usuarioService: UsuarioService) {}
+}
diff --git a/src/usuario/usuario.service.ts b/src/usuario/usuario.service.ts
index 183ef80..dabf9e2 100644
--- a/src/usuario/usuario.service.ts
+++ b/src/usuario/usuario.service.ts
@@ -1,4 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Usuario } from './usuario.entity';
 
 @Injectable()
-export class UsuarioService {}
+export class UsuarioService {
+  constructor(
+    @InjectRepository(Usuario) private repository: Repository<Usuario>,
+  ) {}
+}