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-   -   High/low beam relay 1994 xj40 (https://www.jaguarforums.com/forum/xj40-xj81-25/high-low-beam-relay-1994-xj40-87206/)

Astroman 12-27-2012 09:27 AM

High/low beam relay 1994 xj40
 
Hi all, I'm new to this forum so I hope there's someone who's got the answer to my problem. I have no high beam on the car. All else works fine but but no flasher or high beams. I've tested every conceivable circuit I can find and all seems ok. Except for the high/low beam relay. Where is it? The modules behind the lights are ok too. So, too summarise
Where is this relay located?
Thanks a lot for any info regarding this problem.

xjrguy 12-27-2012 02:07 PM


Originally Posted by Astroman (Post 645984)
Hi all, I'm new to this forum so I hope there's someone who's got the answer to my problem. I have no high beam on the car. All else works fine but but no flasher or high beams. I've tested every conceivable circuit I can find and all seems ok. Except for the high/low beam relay. Where is it? The modules behind the lights are ok too. So, too summarise
Where is this relay located?
Thanks a lot for any info regarding this problem.

There is no high/low beam relay on your car. The beams are controlled by the respective lighting module on each corner. The flash switch at the turn signal sends an input to the lighting switch/module in the pod, which in turn sends a signal to the lighting modules to turn on the high beams.

Cheers,

Astroman 12-28-2012 03:39 AM

Hi ,thanks for your response. I've changed the modules and the problem persists. Could it be the lighting logic unit. I have literally tested everything apart from this.

MidwestJag 12-28-2012 08:04 AM

Astro:
What about the high/low switch itself? Couldn't that also be the point of failure?

Scott


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