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trailer wiring problems and fun mystery plug

greatmizzou

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greatmizzou Enthusiast

greatmizzou

Posted
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2002 chevy 1500 5.3 w/ tow package 3.73 gears  ext cab shortbed

 

im towing a 4000lb dual axle camper and am having a hell of a time with electrical issues.  First the camper had the brake lights wired backwards and had a cut ground wire.  I still think there is a ground issue in the running yellow lights of the trailer but my truck as well.

 

I looked at my grounds and the one above the spare tire on the frame was coated in old oil and dirt.  I couldnt get the nut off to deep clean it....probably because the visible nut is a weldnut... :\

 

Anyway, main issue is where are all the ground wires i can clean?  Ive found one above the spare tire and one on drivers side frame near the parking brake cable area.  any more???

 

Whilr checking wires and fuses I found this...what the heck is it?  It looks like its been plugged in.  I recently had a brake controller installed and my transmission replaced.

 

https://ibb.co/cdiJCo

https://ibb.co/k5fyCo

Supreme Pizza Senior Enthusiast

Supreme Pizza

Posted
Posted

 

 

  I have purchased many of these for less than $10 each. Keep a couple extra packs sitting in the garage. If one has any problems, throw it away and grab a new set. Plug and play, magnetic attachment. You would need to Google a coupon that is not expired. Harbor freight. Even if you pay fell price, its only $20. 

 

   

107_ITEM_12_VOLT_MAGNETIC_TOWING_LIGHT_KIT_1432876108.2576.jpg

Ak_grown Enthusiast

Ak_grown

Posted
Posted

isnt that plug is for trailer brakes? routed close to where the aux power for trailer pig tail is 

greatmizzou Enthusiast

greatmizzou

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So I just cleaned up my chassis grounds real good and used some dielectric grease smeared everywhere to prevent corrosion.

 

Result?  My truck stalled and died lol.  It drives just fine but I can tell I just made it worse trying to make it better!  I guess I need to keep the grease off the metal contacts and be more conservative   :sigh:

greatmizzou Enthusiast

greatmizzou

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So I cleaned the goop off my plugs and it seems to have helped even out my electical current.

 

why does my truck stall for a but after i remove all ground plugs and disconnect the battery?  Runs great now but it took two to three starts to get in goin

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