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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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  #1  
Old 06-21-2006, 10:45 AM
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f5fstop f5fstop is offline
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Default Re: Lights dont work properly

Remember, the BCM controls the flashers
There is no flasher module. The BCM sees an input from the turn signal or hazzard switch, and turns the correct bulbs (front and back) on/off.
By the way, the bulbs or LEDs had nothing to do with you not blowing fuses. If you had direct shorts to ground with a power wire, the bulbs mean nothing. In addition, you said you had direct 12V LED replacements, so they had built in resistance to emulate a 12V bulb, to prevent a fast flash due to low resistance.
The new BCMs have some decent protection against shorts to ground.

Glad to hear it is fixed.
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  #2  
Old 06-29-2006, 07:08 AM
Michael1 Michael1 is offline
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Default Re: Lights dont work properly

Quote:
Originally Posted by f5fstop
Remember, the BCM controls the flashers
There is no flasher module. The BCM sees an input from the turn signal or hazzard switch, and turns the correct bulbs (front and back) on/off.
By the way, the bulbs or LEDs had nothing to do with you not blowing fuses. If you had direct shorts to ground with a power wire, the bulbs mean nothing. In addition, you said you had direct 12V LED replacements, so they had built in resistance to emulate a 12V bulb, to prevent a fast flash due to low resistance.
The new BCMs have some decent protection against shorts to ground.

Glad to hear it is fixed.

No, no!!! There HAS to be a flasher module! I can hear it tick tocking under the dash when the signal's on.

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  #3  
Old 06-30-2006, 12:59 AM
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sltbluh3 sltbluh3 is offline
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Default Re: Lights dont work properly

well I cant help your problem but I have something along the same line. I have a trailer that I bought back in 2002 I usaully pull it with the Olds bravada lights work fine. Hook the H3 up and as soon as I plug the 7 prong connector in the parking lights on the H3 comes on even though it is not running and the keys are out of the ignition. any ideas? all lights on the H3 work and all lights on the trailer work?
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