Drl relay question help - Exterior Forum

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Drl relay question help
Monday, October 01, 2012 5:28 PM
Ok new question, car does not have a ground out of headlamps. If I bypass ground it works. I checked and theirs no breaks. Does the relay indicate when the ground should come on and off?



Re: Drl relay question help
Monday, October 01, 2012 5:56 PM
Breaks meaning wire.


Re: Drl relay question help
Saturday, October 20, 2012 6:34 PM
There should always be a constant ground. The power is what is controlled by the switch and BCM.




On the inside my car looks like a fighter jet.
Re: Drl relay question help
Sunday, April 20, 2014 5:50 PM
The. Bcm controls a switched ground for the drl relay. I do believe it's the green wire with grey stripe. These harness have an issue with breakage and corrosion. This harness plugs into the car under the battery tray. if you have a switched ground at the plug then run a jumper wire from just after the plug to the drl relay.
Re: Drl relay question help
Friday, April 25, 2014 9:25 PM
Rob Dotterer wrote:

There should always be a constant ground. The power is what is controlled by the switch and BCM.


Have to correct ya here Rob... J-cars are fused constant positive, and switched ground.
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