New guy checking in with a wiring question
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New User
Joined: Mar 2015
Posts: 4
Likes: 0
New guy checking in with a wiring question
First of all, hello. I have a 97 F250 HD that I have owned since new, and am in the process of installing a flat bed. I suck at chasing down wiring, and am looking for a color coded schematic for the original harness so that I can wire up the new bed without pulling my hair out. Can anyone point me in the right direction, and if this is the wrong forum direct me there?
Very cool board, by the way and I can see myself spending a ton of time reading here. Thanks in advance!
Very cool board, by the way and I can see myself spending a ton of time reading here. Thanks in advance!
Cargo Master
Joined: Jun 2005
Posts: 3,045
Likes: 21
From: The Ole' North State.
Welcome to FTE! Glad to have you, but we will need pictures of your truck! I don't have a wiring diagram handy, but once it warms up outside tomorrow afternoon I can grab one for you, if no one else has supplied one yet.
Lead Driver
Joined: Jan 2003
Posts: 9,893
Likes: 12
From: Ohio
Welcome to the site.
Here is the post mentioned above, I just cut/pasted the information:
Brown is your running light circuit. This one wire will feed any marker lights, the filament in the tailight bulb that is dimmer(the brighter one is the brake/turn filament) the license plate lights, etc.
lightgreen/orange is the left turn/brake wire.
orange/lightblue is the right side turn/brake wire.
Make sure your grounds are ok also.
I'll note this:
Also a back up light wire....don't know the color code for that.
There are basically only FOUR wires going to the back of the truck that control everything. With a simple test light(or voltmeter), you can operate each one and figure out what it does. Then attach it to the proper place. Say, turn on parking lights and go back and find which wire is HOT and that is what hooks to tailights and license plate light. Then operate the LEFT turn signal and do the same. Then the RIGHT turn signal. Then REVERSE. See, you're done.
Here is the post mentioned above, I just cut/pasted the information:
Brown is your running light circuit. This one wire will feed any marker lights, the filament in the tailight bulb that is dimmer(the brighter one is the brake/turn filament) the license plate lights, etc.
lightgreen/orange is the left turn/brake wire.
orange/lightblue is the right side turn/brake wire.
Make sure your grounds are ok also.
I'll note this:
Also a back up light wire....don't know the color code for that.
There are basically only FOUR wires going to the back of the truck that control everything. With a simple test light(or voltmeter), you can operate each one and figure out what it does. Then attach it to the proper place. Say, turn on parking lights and go back and find which wire is HOT and that is what hooks to tailights and license plate light. Then operate the LEFT turn signal and do the same. Then the RIGHT turn signal. Then REVERSE. See, you're done.
Thread Starter
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New User
Joined: Mar 2015
Posts: 4
Likes: 0
Thanks all.
Lots of bright shiny LED's blazing this morning after playing with it until mid night or so. Only the back up left to find, cant get the test light to glow anywhere but but they started working sporadically a couple of months before I took the old bed off so I suspect a switch. (I had this swap planned for as soon as the weather got nice enough to use a bobcat outside to lift it into place so I didn't try to chase it down until now.) Anyone know where the reverse switch is located? Its a 5 speed, not an automatic.
Lots of bright shiny LED's blazing this morning after playing with it until mid night or so. Only the back up left to find, cant get the test light to glow anywhere but but they started working sporadically a couple of months before I took the old bed off so I suspect a switch. (I had this swap planned for as soon as the weather got nice enough to use a bobcat outside to lift it into place so I didn't try to chase it down until now.) Anyone know where the reverse switch is located? Its a 5 speed, not an automatic.
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