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I have a 09 jaguar xf supercharged and the battery was

Customer Question
I have a 09...

I have a 09 jaguar xf supercharged and the battery was drained the other day and I jumped it with a jump box and might have reversed the polarity I did actually .and now the headlights and tail lights and interior lights don't come on at all the high beams still work is it a relay ??

Mechanic's Assistant: Have you checked the bulbs? Have you checked the connection?

The high beams work but the connection was fine just a day ago I reversed the polarity and then jumped my car all the lights came on but them stopped like I blew something

Mechanic's Assistant: Are you fixing your XF Supercharged yourself? What have you tried so far?

Yes myself I'm trying to figure out what would blow if I reversed polarity and still jumped my car

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

No Hook

Submitted: 4 months ago.Category: Jaguar
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Answered in 1 hour by:
3/24/2018
Jaguar Mechanic: Richard, Jaguar Technician replied 4 months ago
Richard
Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 15,803
Experience: 12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.
Verified
Is the engine starting normally? Anything else not working?
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Customer reply replied 4 months ago
engine starts normal just the interior lights and head lights and tail lights don't work the high beams work as well
Customer reply replied 4 months ago
I just checked the fuses and all good
Jaguar Mechanic: Richard, Jaguar Technician replied 4 months ago
We mostg likely have a problem with the internal transistors in the central junction box. These do not dedicated fuses for the exterior lighting. This is the passenger fuse box. I k now you stated you check fuses but please double check power is present to fuse #35 (15 amp) in that passenger fuse box.Let me know.
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Customer reply replied 4 months ago
Ok the interior lights work but the instrument panel lights don't work I will check to see if power is on #35
Customer reply replied 4 months ago
No power to #35
Jaguar Mechanic: Richard, Jaguar Technician replied 4 months ago
Ok this powered by an i knternal relay in the central junction. Box. This was most likely damaged when it was jumped. The problem is this module must be programmed when repllaced.
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Customer reply replied 4 months ago
When I put the tester on ##35 I put the positive (red) cable on the #35 where the fuse would be and then where do I put the negative _(black) cable at from the multi meter
Customer reply replied 4 months ago
programmed where do I get that done
Jaguar Mechanic: Richard, Jaguar Technician replied 4 months ago
Yea red lead to the top of the fuse and the black lead to a good ground like the seat track.Unfortunately the dealer will have to install and program the CJB.
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Customer reply replied 4 months ago
what is the part called so I can but it and fix it
Jaguar Mechanic: Richard, Jaguar Technician replied 4 months ago

It is the central junction box.

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