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How to Rewire 4th Gen Rear Window Light?
Posted: Fri Jul 11, 2014 1:43 pm
by Vtecmec
Just popped some new bulbs into the 'Prelude rear light' in the back window on my 4th, unfortunately I get nothing, with the sidelights or the brakes.
Has anyone been through the mission of tracing the OEM wiring for this and knows where it all leads? I can't find anything in the manual for this (JDM Yo). I'm hoping someone can save me stripping half the interior (again).

Posted: Fri Jul 11, 2014 1:49 pm
by Dbo
When you find out tell me too...
mine gave up. No live feed to it and no fuse anywhere in the car...
Posted: Fri Jul 11, 2014 1:51 pm
by bb1boy
Just a thought, but pop off the roof panel and check the wires. Mine didn't work and when I checked, the wires had been pinch/cut with the roof panel..
Posted: Fri Jul 11, 2014 1:54 pm
by Vtecmec
The wiring in the roof is ok, I hope so anyway as I've just put it all back together.
Well, I've just found the wiring diagram in the manual for it's use as a high level brake light (P23-257), looks like two green/blue wires should feed it from each of the rear lights, so I'll have a dig around the rear lights later to see if I can find anything.
Posted: Fri Jul 11, 2014 2:49 pm
by Vtecmec
@Dbo Ok, so there are 2 green/blue wires in the n/s rear light cluster (top left and top right of the connector), cutting these and splicing them into the red/yellow wire means it now works with the sidelights.

Posted: Fri Jul 11, 2014 3:00 pm
by Dbo
Cheers m8... will give it a go.....
Posted: Fri Jul 11, 2014 3:22 pm
by wurlycorner
Well done - I hadn't got to the bottom of this on Lisa's either!

Posted: Fri Jul 11, 2014 3:33 pm
by Vtecmec
Yeah, easier than I thought, if you want this as a brake light, splice the wires into the green/white wire on the same connector instead of the red/yellow.
Posted: Sat Jul 12, 2014 1:31 pm
by mart609
I retro fitted mine. I did a write-up
Can't remember how now though.
Pretty sure I just spliced into the rear sidelights.
Posted: Sat Jul 12, 2014 3:09 pm
by Dbo
Just done mine... at last all working
need some ultra bright blue 501 bulbs as tint is too dark to see it....