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Old 04-12-2011, 12:29 AM   #1 (permalink)
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Full harness install

i have a complete harness the entire thing what is the best way to go about replacing the harness that i have in the truck with the new harness well new to me harness. im guessing there is no simple way just a lot of time and patience right thanks in advance for any help.
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Old 04-12-2011, 04:51 PM   #2 (permalink)
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You got it. One clue. Make good grounds. What I like to do is sand the metal and dab a bit of copper antiseize on it. It's conductive and keep corrosion out.
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Old 04-12-2011, 05:05 PM   #3 (permalink)
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Make sure that the harness is EXACTLY like the old one. You can compare lots of things to it while the old one is still installed. You can return it if need be if it is not plugged in & in the original box. Keep the box & receipt until the job is all done & you are satisfied. Some plugs may be different even if you gave them the full VIN. I have modified a $ 1200 Cummins harness for a heavy truck because it was wrong. The owner needed it Now & couldn't wait for the right one. It came out good but then you need more parts. You can wrap areas in loom if you think they may rub. Black hockey tape is better than electrical tape for taping up the loom. Use lots of tyraps & clamps to secure it. You can take pictures before hand or take notes as to where it all goes. Try to remove & reinstall so that it goes back together the same way & some things will not be forgotten or little parts misplaced. Some little plugs may be tricky to get apart so be patient not to break the clips.
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Last edited by RAMIT222; 04-12-2011 at 05:10 PM.
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