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Truck just died while driving


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cca5
New User

May 15, 2013, 6:26 PM

Post #1 of 7 (1761 views)
Truck just died while driving Sign In

I have a 98 GMC Sierra and got in it the other day to move it, it went a few feet and died, nothing works, no power, no lights, no nothing. Battery checks out good, alternator, starter, fuse panel, all checks out good, it's like it was just unplugged. Can't find any loose wires or hoses either. The strange thing is the interior dimmer relay buzzes whether the key is in or out when in the off position, but if I turn the key it stops. Any clues?


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

May 15, 2013, 6:46 PM

Post #2 of 7 (1754 views)
Re: Truck just died while driving Sign In

Do you have a volt meter?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


cca5
New User

May 15, 2013, 7:22 PM

Post #3 of 7 (1739 views)
Re: Truck just died while driving Sign In

Yes and I checked the battery, alternator, etc. all was good running 12 volts.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

May 16, 2013, 5:09 AM

Post #4 of 7 (1723 views)
Re: Truck just died while driving Sign In

Is the problem still happening?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on May 16, 2013, 5:10 AM)


cca5
New User

May 16, 2013, 6:03 AM

Post #5 of 7 (1719 views)
Re: Truck just died while driving Sign In

YES! truck is still dead, no power, no nothing. Went to GM and took the interior dimmer relay and asked them about it, the guy in parts had no clue, just told me the part number was 15150325. However, the parts guy pulled up a forum with someone having the problem on a van where the dimmer relay was buzzing, but replacing it didn't solve the problem. Not sure the dimmer relay is causing the truck to be totally dead either. Like I said, started it up to move it, and went a few feet and everything went dead.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

May 16, 2013, 3:36 PM

Post #6 of 7 (1701 views)
Re: Truck just died while driving Sign In

The dimmer relay chattering is an effect of low voltage.

With the ignition turned on, what is the voltage at the fuse box under the hood were the battery cable connects?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on May 16, 2013, 3:38 PM)


cca5
New User

May 16, 2013, 4:31 PM

Post #7 of 7 (1694 views)
Re: Truck just died while driving Sign In

Will check and let you know.






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