Dome Light / '97 Multi Function Unit - Defender Source
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  #1  
Old March 5th, 2007, 08:25 PM
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Gary
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Question Dome Light / '97 Multi Function Unit

I have an outwardly simple electrical gremlin that is evading me...

Dome light won't go OFF, except intermittently. Sometimes it starts to dim, but just before it goes out completely it pops back on.

So far I have replaced both door jamb switches (soft top), and the AMR5919 multi-function unit, (dimmer) to no avail.

I've eliminated the dome light assembly switch as a problem, (by swapping the ground wires on the toggle switch itself so that the manual On/Off side is now the auto dimmer side and vice versa the same issue occurs - on the other side of the switch).

I'm wondering now if it's a ground problem between the dimmer and dome light switch itself. (This function isn't somehow programmed through the ECU is it?).

Has anyone ever experienced this before? Any ideas?
(the only search reference I could find centered around the light not going ON...)

Thanks...
Garth
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  #2  
Old March 6th, 2007, 01:07 PM
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jim pendleton
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What about disconnecting ground at the MFU to check for a short to ground inline.

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Old March 6th, 2007, 05:53 PM
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Gary
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Good idea; I'll try it. Thank you, Pendy.
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