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Originally Posted by ChopsZ
My question is, and I already think I know the answer... But if doing this mod at the parking light bulb harness behind the headlight, then for all practical purposes, if I shut the car off then turn it back on (with the hand break on), then the DRL's should stay off just like stock until I release the hand break. Correct?
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Yes. If headlights are off and parking brake pulled, DRL stay off
Quote:
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That's the way I would prefer it to be. Sometimes I like to sit in the car with the engine running with the DRL's off.
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... Orange Blvd time eh?
Ok, so looking at that mod, I would not do this without a diode in place. The tap between the parking light and DRL should have a diode to prevent the DRL from powering the parking light during non-headlight usage.
The relay that engages DRL disengages power when headlights/parking lights turn on. Without a diode, you feeding power back into the parking light circuit because you are tapping in after relay
IPDM method does not allow for turning off unless at a switch, but does not risk circuit jumping either