Electrical sugestions needed (no trailer lights)
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Electrical sugestions needed (no trailer lights)

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    Senior Member H20MOFO's Avatar
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    Default Electrical sugestions needed (no trailer lights)

    I don't seem to have any juice to the female electrical plug at the back of my 2001 chev. I guess it could be a fuse...short of pulling all 50 of em, not sure how to check it. I hate anything electrical An owners manual would be a bonus ....
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    Just Me snoc653's Avatar
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    What type plug is it (4 pin, 5 pin, 7 pin rv)? Is it the factory plug or an after market plug? Also where are you grounding to make sure you have no juice to the plug?

    You can always start by checking the fuses and also the point where the trailer plug T's into the wireing harness. Make sure they didn't disconnect the plug by the bumper to add a plug in the bed for a 5th wheel.

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    Senior Member H20MOFO's Avatar
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    Quote Originally Posted by snoc653 View Post
    What type plug is it (4 pin, 5 pin, 7 pin rv)? Is it the factory plug or an after market plug? Also where are you grounding to make sure you have no juice to the plug?

    You can always start by checking the fuses and also the point where the trailer plug T's into the wireing harness. Make sure they didn't disconnect the plug by the bumper to add a plug in the bed for a 5th wheel.
    It appears to be the factory plug...7 pin I think. I just grounded the tester to the reciever. I tried left and rt. signals and couldn't get juice to the tester with any of the 7 pins. The truck never had a 5th wheel. I tried to pull a fuse or 2...them suckas are in there. I don't know if an owners manual would tell me what fuse to look for or not. If it would....I'd just go buy one(I assume thats an option). Everything looks to be pluged in....all I could find sunday was my multi meter....I'll go buy another test light and start tracking backards I guess.
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    Just Me snoc653's Avatar
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    Ground to the ground pin in the connector. Here is a diagram http://www.tropictrailer.com/wiring-diagram.html
    Turn on the parking lights and the 4 way flashers and then check for power at each terminal. You might make a small clip to insert a wire onto the ground teminal. If you have no power there you need to locate the fuse (online owner's manual) and check it. Only after I had done that would I start crawling around and checking wires.

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    mo balls than $cents$ IMPATIENT 1's Avatar
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    Quote Originally Posted by H20MOFO View Post
    It appears to be the factory plug...7 pin I think. I just grounded the tester to the reciever. I tried left and rt. signals and couldn't get juice to the tester with any of the 7 pins. The truck never had a 5th wheel. I tried to pull a fuse or 2...them suckas are in there. I don't know if an owners manual would tell me what fuse to look for or not. If it would....I'd just go buy one(I assume thats an option). Everything looks to be pluged in....all I could find sunday was my multi meter....I'll go buy another test light and start tracking backards I guess.
    the fuses for the rear trailer lite harness are marked as trailer rh trailer lh and they're both under the hood

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    mo balls than $cents$ IMPATIENT 1's Avatar
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    if you're trying to get battery voltage to the back, you'll have to look at the harness near the underhood block and find the red wire taped loosely to the outside of the harness, it has to be given battery voltage, that's the wire to the back

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    Senior Member H20MOFO's Avatar
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    Quote Originally Posted by IMPATIENT 1 View Post
    the fuses for the rear trailer lite harness are marked as trailer rh trailer lh and they're both under the hood
    O.k. thanks snoc653 and IMPATIENT1. As far as the fuses I'll look a little harder at them tonite...for some reason I didn't see any writing on any of them. I'll cross my fingers and start with the fuses...if there is one for left and on for right, it seems kind of unlikely that they would both be blown. But I guess stranger things have happened.
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    mo balls than $cents$ IMPATIENT 1's Avatar
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    Quote Originally Posted by H20MOFO View Post
    O.k. thanks snoc653 and IMPATIENT1. As far as the fuses I'll look a little harder at them tonite...for some reason I didn't see any writing on any of them. I'll cross my fingers and start with the fuses...if there is one for left and on for right, it seems kind of unlikely that they would both be blown. But I guess stranger things have happened.
    i actually see both blown alot, all it takes is hooking unto 1 trailer with a shorted lite harness, both fuses pop

    i just looked and the trailer park fuse is underhood, the trailer lh and rh turn signal fuses are in the sidedash fuse panel.

    look for them marked trlr which means trailer

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    Senior Member H20MOFO's Avatar
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    Quote Originally Posted by IMPATIENT 1 View Post
    i actually see both blown alot, all it takes is hooking unto 1 trailer with a shorted lite harness, both fuses pop

    i just looked and the trailer park fuse is underhood, the trailer lh and rh turn signal fuses are in the sidedash fuse panel.

    look for them marked trlr which means trailer
    I finaly found the sidedash fuse panel But I don't see anything that resembles trlr. I'll put up a pic of it...not sure if it will be readable or not? Geezus this thing has more fuses than carter has pills. Between the box under the hood, the one under the dash, the side dash...
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    mo balls than $cents$ IMPATIENT 1's Avatar
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    01 factory trailer hd wiring



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    mo balls than $cents$ IMPATIENT 1's Avatar
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    lite duty wiring, this is just the lil pigtail harness on most of the trucks, not the round factory connector type on the bumper.



    you may have to take the fender support bracket off between the fender and cowl(its 13mm bolts) , then unsnap the underhood fuse block cover and slide it off the fuse box, the whole big black cover will come off with just release'n the tangs at the bottom, very easy to do. look and see if there's hidden fuses under there, i've seen that on some of these lite duty wiring deals where you had to pull up the box cover to get to em.
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