Page 1 of 1

wiring rear brake pressure switch

Posted: Mon Jul 11, 2011 8:44 pm
by STYLER
Got a rear brake pressure switch from DSS and dont know if the two black wires can go in either part of the 2 pin block connector on the loom or is there any way of knowing which is the right one to match with the green/brown and black/brown loom wires. The pressure switch wires also look half the width??

Image

Image

Cheers peeps

Re: wiring rear brake pressure switch

Posted: Mon Jul 11, 2011 9:56 pm
by mo haggs
it shouldnt matter - all the switch does is make contact between the two wires when its pressed

Re: wiring rear brake pressure switch

Posted: Mon Jul 11, 2011 10:14 pm
by STYLER
Ahh thanks mo.

Re: wiring rear brake pressure switch

Posted: Mon Jul 11, 2011 10:42 pm
by Hadies
Brilliant. I was looking to do the exact same thing. Do those spade connections on the pressure switch just slide into the block you cut off the standard line?

Re: wiring rear brake pressure switch

Posted: Tue Jul 12, 2011 1:00 am
by mick.mh2racing
Doubt they plug straight in as the stock brake switch has a black connector that you'll have to butcher or use to make some connectors to fit.

Re: wiring rear brake pressure switch

Posted: Tue Jul 12, 2011 10:31 pm
by amorti
mo haggs wrote:it shouldnt matter - all the switch does is make contact between the two wires when its pressed
Correct, the polarity won't matter, it's just an on/off switch.

However I would be slightly concerned with the gauge of that wire. Am I being dense or doesn't that wire carry 42w / 12v = about 3.5A through it when activated? It looks a bit skinny for that, IMHO.

You can remove the plastic block from the old switch and if you are lucky the new female latched spades are the same size, and so you can fit it all nice and tidy. Just poke around in the old block with a small sharp tool (darning needle works) until you retract the old latch, then pull.