What would cause the DRL and low beams to not work on a 1997 Chevy express g2500

DTROXTELL

MEMBER
1997 CHEVROLET EXPRESS
170,000 MILES

Intermittent problems with blinkers, cruise, wipers. Changed the switch assembly and the drl and low beams did not come on. All of the above work better than ever. High beams work. Changed the drl module, with no change.

Tuesday, March 20th, 2012 AT 7:27 PM

3 Replies

HMAC300

MECHANIC
48,601 POSTS

Check yoru relays for the low beams and drl/s. It's in the underhood fuse box. Clean battery terminals and ground.

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Tuesday, March 20th, 2012 AT 11:51 PM

DTROXTELL

MEMBER
2 POSTS

Thank you for the suggestion, but there is no relay in that fuse box for the drl/lowbeam. Is ther another location for this relay?

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Wednesday, March 21st, 2012 AT 12:40 PM

HMAC300

MECHANIC
48,601 POSTS

Check fuse 4 and 15 in ip fuse box as those deal directly with headlights and drl. I'm sending a pic of where relay for drl is. There also is a diode that may have gone bad and not sending power to relay. It is the orange wire going to relay. This relay also sends power to low beam headlights.

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Wednesday, March 21st, 2012 AT 3:09 PM