Daytime running lights - howto?
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Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
Daytime running lights - howto?
I'd like to put daytime running lights in my truck. I'm sure it can be done with a little creative wiring, but I haven't looked at the diagrams yet on how to do it.
What I'd like is for the front headlamps only to come on while the key is in the on position. When I pull the headlight switch, the parking lights and tail lights should come on.
Anyone done this before? My truck is an '89 F-150.
What I'd like is for the front headlamps only to come on while the key is in the on position. When I pull the headlight switch, the parking lights and tail lights should come on.
Anyone done this before? My truck is an '89 F-150.
Post Fiend
Joined: Oct 2003
Posts: 6,214
Likes: 13
From: New Jersey
Its very easy to do, but it requires a little snipping of the wiring harness.
I don't have the 89 wiring diagram, but what you need to do is identify the low-beam headlight relay, then find the wire that applies power to the relay when the headlight switch is pulled out. Thats the wire you cut. Put a wire nut on the half of the wire that goes to the headlight switch to prevent it from shorting, and connect othe half of the wire that feeds the relay, to +12V ACC.
Make sure you snip the wire the feeds the coil of the relay, not the main power feed to the actual headlights.
I don't have the 89 wiring diagram, but what you need to do is identify the low-beam headlight relay, then find the wire that applies power to the relay when the headlight switch is pulled out. Thats the wire you cut. Put a wire nut on the half of the wire that goes to the headlight switch to prevent it from shorting, and connect othe half of the wire that feeds the relay, to +12V ACC.
Make sure you snip the wire the feeds the coil of the relay, not the main power feed to the actual headlights.
Freshman User
Joined: May 2004
Posts: 41
Likes: 0
From: Lee's Summit MO
Originally Posted by andym
I'd like to put daytime running lights in my truck. I'm sure it can be done with a little creative wiring, but I haven't looked at the diagrams yet on how to do it.
What I'd like is for the front headlamps only to come on while the key is in the on position. When I pull the headlight switch, the parking lights and tail lights should come on.
Anyone done this before? My truck is an '89 F-150.
What I'd like is for the front headlamps only to come on while the key is in the on position. When I pull the headlight switch, the parking lights and tail lights should come on.
Anyone done this before? My truck is an '89 F-150.
