OEM Fog wiring + jumper fog relay = easy DRL wiring?
#1
OEM Fog wiring + jumper fog relay = easy DRL wiring?
My GLE does not have stock fogs and I wanted to add LED DRLs so I don't have to have my HIDs on all day. I was looking for an ACC switched connection under the hood, and couldn't find one but noticed the pre-wiring for stock fogs.
My question is if I hook up my DRLs to the stock fog wiring, could I jumper the fog relay to be on when the car is on (much like the always-on cruise control switch mod), or am I missing something?
Any other suggestions would be greatly appreciated. Trying to avoid running wiring through firewall to interior fuse box if there are available connections right at the bumper and under the hood.
My question is if I hook up my DRLs to the stock fog wiring, could I jumper the fog relay to be on when the car is on (much like the always-on cruise control switch mod), or am I missing something?
Any other suggestions would be greatly appreciated. Trying to avoid running wiring through firewall to interior fuse box if there are available connections right at the bumper and under the hood.
#5
Yeah that's why I was originally looking for something under-hood that was on the ACC circuit. Figured there may be a way to jumper the relay to where it was just on when car is on.
#6
How close do you want to emulate factory DRLs? They go off when the headlights come on. Wiring them to something like the wiper circuit would keep them on as long as the car was on.
But to answer your original question about jumpering the fog lamp relay, the answer is no, the lights would be on even when the car was turned off. What you want to do is wire the fog lamp relay's energizing coil to a switched voltage source.
But to answer your original question about jumpering the fog lamp relay, the answer is no, the lights would be on even when the car was turned off. What you want to do is wire the fog lamp relay's energizing coil to a switched voltage source.
Last edited by DennisMik; 06-29-2015 at 08:13 PM.
#7
Will look for a write-up on using that circuit - not very familiar with wiring relays, as far as electrical have only done stereo amp installations.
#8
If you don't mind having the wire visible under the hood, the switched 12 volt wire on the wiper motor connector is the light green wire.
If you don't want the wire to be visible, the light green wire is on the bottom of the wiper relay. But there are a lot of wires under the box that holds the relay.
If you don't want the wire to be visible, the light green wire is on the bottom of the wiper relay. But there are a lot of wires under the box that holds the relay.
#9
Thanks Dennis that's great info - I didn't want to have to pull out the fuse box if I didn't have to and I didn't think one of those Add-A-Circuit fuses would work w/ any of the ATC fuses in the engine bay as they all seemed always-hot.
#11
Why not just use on of these? They'll cut your DRLs on as soon as the car starts and they'll shut off about 20 seconds after the car is turned off. They'll also shut off or dim when the headlights are on. They'll also shut off the DRL on the side that the turn signal is when your use your turn signals. They'll power from the battery leaving your factory wiring intact.
http://www.ebay.com/itm/NEW-Reduce-CAR-light-LED-DRL-Relay-Harness-Automatic-On-Off-Dimmer-US-STOCK-/191369780885?hash=item2c8e871e95&vxp=mtr
http://www.ebay.com/itm/NEW-Reduce-CAR-light-LED-DRL-Relay-Harness-Automatic-On-Off-Dimmer-US-STOCK-/191369780885?hash=item2c8e871e95&vxp=mtr
#12
Thanks! that seems very useful/handy - looks like they also have a version that flashes the DRL with turn signal:
http://www.ebay.com/itm/361079760901?tfrom=191369780885&tpos=unknow&ttype=price&talgo=origal
http://www.ebay.com/itm/361079760901?tfrom=191369780885&tpos=unknow&ttype=price&talgo=origal
#13
FYI - since these connect directly to the battery thought these worked via voltage monitoring but they're actually detecting engine vibration and reviews state they are not very reliable.
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