Front Fog Lights and Side Marker Lights Inoperable
#1
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Location: Beverly Hills, Michigan
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Front Fog Lights and Side Marker Lights Inoperable
My front fog lights and side marke lights are not working on my 1997 XK8. I checked the 15a fuse in the engine fuse box and the 10a fuse in the trunk fuse box and they were ok (owner's manual said these were for fog lights). The actual light on the fog light switch does not light up. The rear fogs work. I've tried turning them on with the car running and the headlights on. Any clues?
I've searched the threads on the forum, but came up with nothing. Thanks in advance for any help!
I've searched the threads on the forum, but came up with nothing. Thanks in advance for any help!
#2
My front fog lights and side marke lights are not working on my 1997 XK8. I checked the 15a fuse in the engine fuse box and the 10a fuse in the trunk fuse box and they were ok (owner's manual said these were for fog lights). The actual light on the fog light switch does not light up. The rear fogs work. I've tried turning them on with the car running and the headlights on. Any clues?
I've searched the threads on the forum, but came up with nothing. Thanks in advance for any help!
I've searched the threads on the forum, but came up with nothing. Thanks in advance for any help!
cheers Al
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#4
Yes. For your '97, check fuse #7 in the fusebox on the left (driver) side of the dash, and fuse #17 in the fusebox on the right (passenger) side of the dash.
#5
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Yes I failed to mention that I did check almost every fuse in every box and they are all good, #7 and #17 mentioned above included. Maybe it's the melted tail light ground I've seen discussed on this forum?
#7
If you have all the relays let me know, and tomorrow I will post some tests to see if the problem is the drive to the relays, the relays themselves, or the power circuit controlled by the relays.
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#8
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#9
#11
There is also some interaction in the switch and the fog light override circuits.
You need a circuit diagram(link found in FAQ) and a digital voltmeter. Just a cheap one will do.
Then you need to start tracing circuits.
#12
Also, I agree with Plums, there is a shared grounding point for those two lights....you need to follow the black wires back from the lamps to the connection point on the chassis to check that.
#13
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#14
#15
HELP - I have the same problem as BillyRay 59
My front fog lights, front and rear side lights, boot light, front fog light button in the car are all suddenly not working on my 1997 XK8. I've checked all the fuses and they're all ok.
Billy - Did you manage to find the solution to the problem?
Thanks for your help.
Billy - Did you manage to find the solution to the problem?
Thanks for your help.
#16
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My front fog lights, front and rear side lights, boot light, front fog light button in the car are all suddenly not working on my 1997 XK8. I've checked all the fuses and they're all ok.
Billy - Did you manage to find the solution to the problem?
Thanks for your help.
Billy - Did you manage to find the solution to the problem?
Thanks for your help.
1. Checked all fuses - good
2. Checked all bulbs - good
3. Checked all relays - good
4. Checked grounds - good
5. Checked power to light switch on column - good
6. Swap out BPM, lights started working, bad BPM
You can buy a Body Processor Module (BPM) on eBay for under $200, but make sure the part number and CATS number is the same for your car. I elected to have the dealer do it because I didn't want to take any chances with a used BPM. Dealer wanted $1200 originally, I talked them down to $980. I know it's a lot of money, but I wanted everything to work properly. I heard of stories of swapping out a BPM and the lights working but the car not starting or other accessories not working.
Hope this helps.
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