# 2001 GMC sonoma headlights

**URL:** <https://community.cartalk.com/t/2001-gmc-sonoma-headlights/88734>\
**Category:** Maintenance/Repairs\
**Created:** [January 18, 2015, 8:23pm UTC](https://community.cartalk.com/t/2001-gmc-sonoma-headlights/88734 "2015-01-18T20:23:48Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![tjh80](https://avatars.discourse-cdn.com/v4/letter/t/c57346/32.png) [@tjh80](https://community.cartalk.com/u/tjh80)\
**Post date:** [January 18, 2015, 8:23pm UTC](https://community.cartalk.com/t/2001-gmc-sonoma-headlights/88734/1 "2015-01-18T20:23:48Z")

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Should be an easy job, right? My passenger side headlight was out so I replaced what I thought was the offending bulb, but the light still won’t turn on. The parking light turns on fine, as do all the other lights. I really don’t want to hear that I have a wiring issue which would require a trip to the shop. Any ideas or fixes?

Thanks,

Tom

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**Author:** ![psanzone](https://avatars.discourse-cdn.com/v4/letter/p/ac8455/32.png) [@psanzone](https://community.cartalk.com/u/psanzone)\
**Post date:** [January 18, 2015, 8:55pm UTC](https://community.cartalk.com/t/2001-gmc-sonoma-headlights/88734/2 "2015-01-18T20:55:35Z")

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On the off chance that the new bulb is bad, try the working bulb from the other side of the truck and hope it works, OR, take a voltage tester to the socket of the side not working to see if there is voltage there.

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**Author:** ![asemaster](https://avatars.discourse-cdn.com/v4/letter/a/5f9b8f/32.png) [@asemaster](https://community.cartalk.com/u/asemaster)\
**Post date:** [January 18, 2015, 11:10pm UTC](https://community.cartalk.com/t/2001-gmc-sonoma-headlights/88734/3 "2015-01-18T23:10:55Z")

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Did you look at the wiring harness that plugs into the bulb?

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**Author:** ![the\_same\_mountainbike](https://avatars.discourse-cdn.com/v4/letter/t/c89c15/32.png) [@the\_same\_mountainbike](https://community.cartalk.com/u/the_same_mountainbike)\
**Post date:** [January 18, 2015, 11:16pm UTC](https://community.cartalk.com/t/2001-gmc-sonoma-headlights/88734/4 "2015-01-18T23:16:12Z")

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Did you examine the connector?

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [January 19, 2015, 12:09am UTC](https://community.cartalk.com/t/2001-gmc-sonoma-headlights/88734/5 "2015-01-19T00:09:47Z")

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Each headlight has it’s own fuse. Check if the right headlight fuse, 15 amp, has blown in the fuse box under the hood.

Tester

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**Author:** ![knfenimore](https://avatars.discourse-cdn.com/v4/letter/k/9fc348/32.png) [@knfenimore](https://community.cartalk.com/u/knfenimore)\
**Post date:** [January 19, 2015, 12:29am UTC](https://community.cartalk.com/t/2001-gmc-sonoma-headlights/88734/6 "2015-01-19T00:29:01Z")

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Also, don’t touch the lamp glass with your fingers. The oils from your skin will cause the bulb to fail.