1994 GMC Safari Repair Question
Topics covered: Alternator, Battery, Engine.
Mileage: 150,000 miles.
Mileage: 150,000 miles.
Asked on November 16, 2012
GMC Safari Alternator Problem
What is the voltages reading at fuel pump when is running?
Answer
Replied on November 16, 2012
Probably around 13 and 1/2 volts. At key on, your systems get battery voltage. Engine running, the systems get alternator voltage. There is a difference.