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2001 Pontiac Grand Am Fog lights

Tiny
JOEY729
  • MEMBER
  • 2001 PONTIAC GRAND AM
Electrical problem
2001 Pontiac Grand Am 6 cyl Front Wheel Drive Automatic

Ok I do know 100% that I need a bcm that control's the fog lights Is there anyway to bypass it and make the switch work so I don't have to pay over 500 dollars to get it reprogrammed?
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Saturday, May 8th, 2010 AT 11:45 AM

9 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
You could run power from an unused circuit in fuse box to aftermarket switch to operate fog lights.
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Sunday, May 9th, 2010 AT 8:10 AM
Tiny
JOEY729
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  • 44 POSTS
Why cannot I use the originall switch? I just disconnect the connector and tie into that is it possible?
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Sunday, May 9th, 2010 AT 8:16 AM
Tiny
JOEY729
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I will explain more clearly I want the fog lights to turn on and off with out using the bcm which is not good and use the originally switch
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Sunday, May 9th, 2010 AT 8:20 AM
Tiny
MMPRINCE4000
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You can use original switch, just isolate that circuit and bypass BCM, directly to fog lights.
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Monday, May 10th, 2010 AT 8:59 AM
Tiny
JOEY729
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  • 44 POSTS
And may I ask how to isolate the circuit? And bypass the bcm>
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Monday, May 10th, 2010 AT 9:01 AM
Tiny
JOEY729
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Can you draw me a diagram so I can understand more clearly since I dont do electric all the time
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Monday, May 10th, 2010 AT 9:03 AM
Tiny
MMPRINCE4000
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Run two wires from switch, power and ground. Power to a switched power source, then to fog lights.

Ground to light ground and to chassis ground.
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Monday, May 10th, 2010 AT 9:04 AM
Tiny
JOEY729
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What happens if I cut dr green and orange wire which goes into the bcm and connect those 2 toghter? Will it work since I am bypassing the bcm will the switch work and light up as well I alsao have access to the back of the foglight relay on back of the fuse box
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Monday, May 10th, 2010 AT 9:18 AM
Tiny
MMPRINCE4000
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Let me see if I can find a wiring diagram.
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Wednesday, May 12th, 2010 AT 8:56 AM

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