2007 GMC Canyon automatic lights

2007 GMC CANYON
95,000 MILES • 5 CYL • 4WD
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ALAN ZATIRKA
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  • 2 POSTS
have light switch set to auto, but only running lights come on now when truck started,no head lights.?
Mar 29, 2014 at 3:33 AM
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HMAC300
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  • 48,601 POSTS
check fuses and relays underhood first then have multi function switch checked. i'm assuming bulbs are good.
Mar 29, 2014 at 5:53 AM
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ALAN ZATIRKA
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  • 2 POSTS
yes they work fine when switched over manually. all lights work..
Mar 29, 2014 at 5:59 AM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
have a pro scan it it may be the body control module or light sensor
Mar 29, 2014 at 6:33 AM