2003 Pontiac Montana interior lights not working

Tiny
XJSHEN
  • MEMBER
  • 2003 PONTIAC MONTANA
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 65,000 MILES
2003 pontiac montana's interior lights would not come on automatically when I switch engine off or open car doors. I have to turn on or off manually.
Thanks for your comment and help!
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Friday, July 18th, 2014 AT 7:58 AM

1 Reply

Tiny
KEN
  • ADMIN
Hi XJSHEN,

The interior light are run by the BCM which sounds like has gone bad, here is a wiring diagram so you can see if the BCM is sending power out to the lights which will confirms its failure.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Please run some tests and get back to us so we can continue helping you.

Best, Ken
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Monday, February 27th, 2017 AT 1:45 PM

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