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1996 GMC Jimmy relays and DRL's.

Tiny
JDM
  • MEMBER
  • 1996 GMC JIMMY
I have a 1996 gmc jimmy, 412000 kms 4.3L (I believe) and one of my relays in the glove box ( the one closest to the pass door ) constantly clicks when I turn lights on at night. Just wondering why and what it controls. Also I have no DRL's, just wondering so troubleshooting tips for that. Thanks
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Thursday, June 14th, 2007 AT 5:40 AM

1 Reply

Tiny
DANIMALGMC
  • MEMBER
  • 33 POSTS
Assuming that the vehicle never had DRL's:

Your light switch cannot handle the current that the headlights draw so they route this through a relay to handle the load.

If you have DRL's and they are not functioning:
There is a fuse labeled DRL and that feeds a seperate relay with a small value resistor (DRL's are not at 100% brightness). When you turn on your headlights another relay bypasses the DRL relay to give you 100% birghtness.
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Monday, June 25th, 2007 AT 9:59 AM

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