Rear Door Services Switch Panel - Lights Out - Defender Source
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  #1  
Old January 23rd, 2016, 02:29 PM
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brettm
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Brett
97 D90-SW, Arles +4.6
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Rear Door Services Switch Panel - Lights Out

I assume the rear door services switches (heater, wiper, washer) are meant to light up at night as they have bulbs in them. Mine have never seemed to work. The switches operate correctly - and the rear-heater warning light on the dash comes on correctly. However, the switches never illuminate.

I swapped the bulbs for LED's assuming the bulbs were just out - but didn't help. With headlights on, there is no voltage across all 3 of the bulb holders.

Are the lights in these switches fused independently of the switch operation? Any suggestions?

I tried looking at the electrical wiring diagram in the manual - but my head just exploded.
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  #2  
Old January 23rd, 2016, 03:36 PM
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Mike
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They should be on the same circuit as the rest of the dash lighting.
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  #3  
Old January 25th, 2016, 12:39 PM
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Brett
97 D90-SW, Arles +4.6
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Found my problem... the LED replacement bulbs I purchased for the rear-services switches (74GHP) need to have the wires snipped so that there is only one wire per-side. When I added them, it was creating a short which actually took out the gauge lights too (didn't notice).
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