trailer brakes install

Submitted: Thursday, Jul 15, 2010 at 15:22
ThreadID: 80092 Views:2383 Replies:2 FollowUps:2
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hi connecting a red arc brake unit just a question on the wiring . 4 wires , 2 + - straight forward and the other two please correct me if im wrong . one wire to the vehicle brake lights and one for the trailer brakes . the one for the vehicle brakes can i just connect it to the brake wire on vehicle side of the wire on the 7 pin trailer socket . and as for the trailer brake wire connect it to the 7 pin sockets thanks
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Reply By: Member - Graham H (QLD) - Thursday, Jul 15, 2010 at 16:02

Thursday, Jul 15, 2010 at 16:02
Normally the blue wire which activates the elevtric trailer brakes ALWAYS goes to PIN 5

What sort of trailer and what sort of brakes do you have. It should have an installation diagram with it.

On a Tekonsha which has standard wiring Black is power whie is earth red comes from cold side of switch behind brake pedal and blue goes to PIN 5.

That is for a caravan's electric brakes.


AnswerID: 424128

Follow Up By: Paul G K (vic) - Thursday, Jul 15, 2010 at 16:43

Thursday, Jul 15, 2010 at 16:43
On most modern cars with abs and cruise control it is best to connect the red or brake light wire to the brake light wire on the trailer connector, as connecting to the brake pedal switch can interfere with the operation of the cruise control, abs etc
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Follow Up By: Member - Graham H (QLD) - Thursday, Jul 15, 2010 at 16:48

Thursday, Jul 15, 2010 at 16:48
IU have done it on a 2003 Patrol and a 2005 TD Cruiser with no ill effects.
If you get the correct wire it doesnt hurt anything.

It s long way to run it to the trailer plug.

You could pick the wire up in the loom but need a manual for that.



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Reply By: Member - Charlie M (SA) - Thursday, Jul 15, 2010 at 18:47

Thursday, Jul 15, 2010 at 18:47
Hi
What model vehicle do you have, as some of the Fords can not be connected to brake light switch.
Cheers
Charlie
AnswerID: 424141

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