Wiring Diagram 1987 Buick Grand National. I believe i can do it but it is def going to be a nightmare. I have the same problem my 84 was broken into and all the wiring was cut.
I have an 87 grand national im having problems with it starting. This information outlines the wires location color and polarity to help you identify the proper connection spots in the vehicle. When you make use of your finger or perhaps the actual circuit with your eyes it is easy to mistrace the circuit.
Having an ecm pinout of what each wire is color location and where it goes what component its connected to is helpful.
I have the same problem my 84 was broken into and all the wiring was cut. Includes a connector id and pinoutswire colors for the turbo ecm and sensors. Like to get a wiring diagram to re wire the. Wiring diagram 1987 buick grand national it is far more helpful as a reference guide if anyone wants to know about the homes electrical system.