[Image of the wiring diagram]
This wiring diagram shows the electrical connections for a 1991 Suburban with a 454 engine and 4L80E transmission. It includes the following information:
* Battery and charging system
* Engine control system
* Transmission control system
* Air conditioning system
* Power window system
* Audio system
* Lighting system
* Alarm system
* Cruise control system
* Power door lock system
* Power seat system
* Sunroof system
* Trailer wiring
This diagram is a valuable resource for anyone who is troubleshooting electrical problems on their 1991 Suburban. It can also be used to add or modify electrical components to the vehicle.
NOTE: This wiring diagram is for a specific vehicle model and year. It may not be accurate for other vehicles. Always consult a qualified mechanic or electrician before performing any electrical work on your vehicle.
