99' ZR2 Fog Light Connection
Am new to this so I may not be in the correct place to request this but, I'm adding factory fog lights (correct GM parts) to a ZR2 Blazer and am to the point of connecting the lights to the proper point or power source.
Is there a wiring diagram available showing the circuitry from the fog lights back to the fuse/relay? Have located 2 "Green Cap Sealed" 3 conductor (grounded locally to the engine compartment) terminations, one on each side behind the park/fog lights, which I thought was for the fog lights, but the pigtail supplied by GM is 2 wire only?? Am at the point of hooking the lights to power but not sure where the factory termination is, everything else was there from the factory - relay, fuse, connection for the dash switch, etc. Can you help :confused: M. |
It should be a two-wire only. You have two wires feeding the bulb. Don't know why 3 wires are in the harness, but you only need 2 of them.
I was think of doing this mod myself, but instead, retrofitting 9005s into the aftermarket assemblies! |
Fog Light Conn. Issue
Since my last note I've traced this thing From the factory relay thru the wiring harness down to the park/fog light asm.'s.
There are 2 purple wires coming off the business end of the relay (87 lead)which split per the wiring diagram and go to either side of the front for the fog lights. With the headlights on low beam I'm getting 12 v, and with on high beam around 3 v (guessing this is for the backlights in the switch when the fogs are on?? Not quite there yet but getting close, just don't have a lot of time to spend on it now... |
The factory fogs are wired to disable in high beam.
Power Circuit- 30 prong goes to 12v source 87 goes to lights Control circuit- 86 goes to load side of switch 85 to Earth You should read Open Leads (OL) between 87 and ground when switch is off. Backlight in the switch shouldn't bleed power through the relay. I'd look an error with the meter first. Just to let you know, I recently retrofitted fogs into my aftermarket signal assemblies and I just wired it straight up. Could I have used the factory wiring? Yes. But I decided that if I was going back with plug and play 3800K HID fogs later, I would need bigger wire than the factory system, so instead of using what was there, I ran some good 14 AWG wire. If you are ever thinking about doing that, then thats the way to go. |
Hi I am having the same issue I put some after market fog lights on my bull bar and now I can't find where the wire from the factory relay is. if you find where to wire the light's could ya let me know.
THANK YOU craig |
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