Questions & Answers for: Chevrolet 12v fail

Question about 1999 Astro

1 Answer

...fail after cycling lock/unlock a few times. Seems like some contact heating up and getting more resistive. A likely related problem - no power to dutch door (which cannot be opened without power. ...

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...by turning over, you mean that the engine fails to turn with the starter . Check your battery for 12v and make sure all connections are clean and secure. If battery has less than 12v charge it and ...

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...93 blazer suddenly quit working, changed the fuse and master switch still nothing At this point a 12v test lamp probe is very handy.Remove inner door trim panel and gain access of the window ...

...the car on (but do not start it) and shift into reverse. Use a voltmeter or multimeter to test for 12V on one of the leads. Also test across the leads (after turning the car back off first) for ...

...same side that has failed so the front light will not blink. Also I would check to see if there was 12V when the turn signal is selected and a ground on the bulb socket. (signal off) Does the bulb ...

Question about 2005 Cobalt

1 Answer

...FAIL HYDROCARBONS, CARBON MONOXIDE passed NO ppm limit 1500 ,reading 0 , failed CO%limit 0.50 reading 0.84, failed HC ppm limit 90, reading 115. I have a new CAT...and O2 sensor, any ideas to help me ...

Question about 2005 Cobalt

1 Answer

2001 chevy suburban truck turning off then turning back on while driving Check the ignition switch for proper 12V output on all 3 ignition circuits, they fail quite often.

Question about 2003 Suburban

1 Answer

...12V) on one side and ground on the other, it will turn in one direction. If you reverse the wires it will move in the opposite direction. Quite often the motors fail, but if it at least works in one ...

...12v there then your starter has fail and must be replaces. If you don't get 12v there when the key is turn we must continue to check. Next you would have to check the small wire going to the starter. ...

fail safe mode (Limp home mode or stuck in high gear)?Probably missing 12v down to the transmission. At the transmission connector with ignition in on position look for pin E it should have 12v. If it

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