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Old 27th December 2013, 04:04 PM   #135 (permalink)
PPHH
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Join Date: Dec 2013
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Resistor Wattage

Quote:
Originally Posted by Protegimus View Post
As an addendum to my original post containing the schematics and with a big thanks to ossie cossie for figuring out the correct (180ohm) resistor value, the following diagram gives the correct wiring to allow all four tail lights as sidelights; brakes lights remain high intensity on the two inner (original) lights and the third high level spoiler light, plus optionally operate as four brake lights (with outers at normal intensity) when the sidelights are switched off:
Attachment 6293

Bit of advice during installation - the plugs undo easily once the retainer is unclipped, press down on the central retainer with a small (4mm) flat blade screwdriver then pull the harness out:
Attachment 6289

Standard connector pinout - I used 1N4001 diodes. The feed from the brake lights to the tails lights (diodes A & B for four brake lights with sidelights off, which is optional) is already spliced:
Attachment 6290

Now the brake light feed is cut ready to splice in the 180ohm metal film resistor and diodes C & D:
Attachment 6292
Heat shrink insulates and supports the soldered in components - it is only a few pence and much better than insulation tape. Cut to length and borrow your Mrs. hairdryer to shrink:
Attachment 6291

Protegimus
Thanks. Very useful post. What should be the wattage for the resistor?
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