Snow Plow Lights
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Senior User
Joined: Dec 2002
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From: Grove City USA
Snow Plow Lights
Finally got a snowplow and am getting ready for winter, and I'm confused about wiring up snowplow lights on my truck. I can figure out the parking lights and turn signals. the the whole Headlight part I don't understand. I know I need a switch with 6 prongs on the back of it and from there I'm lost. I could wire them up so that all headlights were on at once but I know that is incorrect. It is for a 1978 Ford F150 with a 351M. thank all for your help.
Posting Guru
Joined: May 2002
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From: Southwestern Michigan
The power for the headlight needs to be switched with an auxillary toggle.
On the inner fenderwells you will find a square wire connecter(one on each side), find which wire is powered with the headlights on, take that to the aux switch on the center or common terminal, wire the plow lights to the lower terminals and the headlights to the upper.
You could take the power directly from the headlight switch, but it is easier to just do it under the hood and run the extra wire inside the cab.
If this is confusing I could try to draw a diagram.
On the inner fenderwells you will find a square wire connecter(one on each side), find which wire is powered with the headlights on, take that to the aux switch on the center or common terminal, wire the plow lights to the lower terminals and the headlights to the upper.
You could take the power directly from the headlight switch, but it is easier to just do it under the hood and run the extra wire inside the cab.
If this is confusing I could try to draw a diagram.
Thread Starter
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Senior User
Joined: Dec 2002
Posts: 239
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From: Grove City USA
Thanks guys, I'm figuring out from a site called plowsite, it's really helpful to all you fellow plowers out there. They had a diagram that I'm going by. it says the same thing as you tellico. thanx again.
Posting Guru
Joined: Aug 2002
Posts: 1,214
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From: Minneapolis, MN
You may want to connect closer to the dimmer switch under the dash. (Dimmer is mounted on the floor.) You'll have one wire coming into the dimmer switch in the center. That's the power from the headlight switch. The other two terminals each have 2 wires, one for each headlight, high beams on one terminal, low beams on the other. You could keep them together (remember, they're coming off the same terminal) and cut into them near the fuse box (one pair high beams, one pair low beams) to run to your plow switch, (DPDT), high beams on one side center, low beams on the other side center, then back to where you cut them for the stock lights. The plow lights, of course, would have to be run through the firewall, but then you're only talking 2 wires (one high beam, one low beam) instead of 10,(two headlights, in and out, high and low beam, plus the two plow wires).
Hope this isn't too late.
Greg
Hope this isn't too late.
Greg
