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Prev Professional Automotive Repair Technical Discussions for March 25, 2012
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Open Help Requests for GM
Help Request Answers
1976 Chevrolet Corvette Stingray 5.7L Electric Window VIN: 1Z37L6S422
Hi-we have a 1976 corvette with electric windows-driver side does not work-did remove panel- at the two wire connector (disconnected at motor) when using switch there is power at one wire going up and power at other wire going down (12 volts) motor does not wo...
2001 Chevrolet Impala 3.4L starter VIN: 2G1WF52E61
Customer says every 10 days or so u turn the key and nothing happens starter will not turn over,all dash lights and guages work. Happened once for me had time to check the starter it was ok,then it returned to normal,happened after it sat overnight.
2006 Chevrolet Malibu SS 3.9L MIL Lamp on VIN: 1G1ZW63126
Greetings: Sold used unit came back with customer complaining of rough idle, smells like overheating-sucks gas way too fast and mil on. NPF on the rough idle, overheat smell and sucks gas way too fast. Did verify mil on. Extracted code P0442-evap small leak d... Trouble codes: P0442 (evap small leak)

Fixes & Summaries for GM
Fix/Summary Answers
1987 Chevrolet R10 Custom Deluxe 5.7L fuel selector switch VIN: 1GCDR14K4H
thanks for the info and diagrams, this one ended up having incorrect fuel pump relay installed and two wires were crossed at the switch. thanks again
1996 Chevrolet C3500 6.5L Mph VIN: 1GCHC33F4T
The fix for this one was by replacing the DRAC module. Ordered the correct configured module from GM, installed it and speedo is correct. Mitchel on demand wiring calls it the VSS but when I contacted GM they said it was called a DRAC ( Digital Ration Adapter ...
2003 Chevrolet Tracker LT 2.5L Headlights VIN: 2CNBE63403
Thanks to everyone for help, and a special thanks to Scott. Found that pin 5 on relay junction block was loose and not making contact with relay. Replaced headlight relay and corrected loose connection at pin #5 THANKS AGAIN
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