Wiring Diagram Buick Grand National. Power Logger MAP Connection. 1987 buick GN - hooking up tachometer.
Brand new OE high-output DIS coil pack. Includes a connector ID and pinoutswire colors for the Turbo ECM and sensors. I have a Buick Grand National I did replaced the fuel pump relay even though it checked ok.
Also these cars suffer from inferior wiring to the fuel pumps and a substantial Voltage drop is noted between the Fuel pump relay and the Pump harness.
Includes a connector ID and pinoutswire colors for the Turbo ECM and sensors. The voltage is the sum of electrical power produced by the battery. Buick Grand National Dash Pinout Diagram. Question about Buick Grand National.