Hi igor,
At DRL control unit ground the Red/Orange wire at terminal and if headlight works, the control unit is bad.
If it does not work, check for bad connection of the Orange/White. Use jumper to connect to Red/Orange wire and if it works, the passenger under dash fuse relaybox connection for thr DRL is bad.
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Saturday, November 29th, 2008 AT 12:34 PM