2001 Chevrolet Express Repair Question
Topics covered: Gauges, Ignition module, Spark.
Mileage: 500,000 miles.
Mileage: 500,000 miles.
Asked on December 8, 2012
Chevrolet Express Gauges Problem
No comms with any module. no fuel no spark. gauges not working right ignition module gets hot with key on
checked power and ground on pcm. checked ok replaced pcm worked ok 1/2 hour and did the samething
checked power and ground on pcm. checked ok replaced pcm worked ok 1/2 hour and did the samething
Asked by (pending member)Answer
Replied on December 8, 2012
About all I can tell you now is to check for voltage at pin 16 of datalink connector. Pins 4 and 5 are grounds.
