Help fix my 7pin Tow harness

Discussion in 'Exterior' started by VanoFord, Mar 12, 2012.

  1. VanoFord

    VanoFord Banned

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    Im checking fuses. No manual at hand. 5 pin relay is good. The 'tail' indicator on my trailer tester is lit up.
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    Fuse 10 & 14 were good. Found somewhere to check fuse 36 and that was blown. Replaced it and now the Rt indicator flashes on sync with my tails.
    [​IMG]

    Is there another fuse for the left trailer tail like the right had fuse 36? Thanks in advance!
     
  2. VanoFord

    VanoFord Banned

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    Fuse 42. Thanks.
     
  3. Pity7700

    Pity7700 oh umm...uhh?

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    vano what year is your truck?
     
  4. Pity7700

    Pity7700 oh umm...uhh?

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    or does this mean you figured it out?
     
  5. VanoFord

    VanoFord Banned

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    2006. Figured it out. Fuse 36 & 42 pertain to the individual blinker. 10 & 14 pertain to running/reverse lights. Relay 5 is for the power to the tow harness, and relay 201 is power for the signals.
     
  6. Pity7700

    Pity7700 oh umm...uhh?

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    alright man. i just pulled up my wiring diagrams to lend a hand, guess i was too late.
     
  7. VanoFord

    VanoFord Banned

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    Is everything I said right based off that diagram? I'm just basing my answer off of what I just tested and found. I appreciate ya looking. Fuse 36 & 42 are supposed to be 10A but I'll put 15A in as the replacements. I think that last light bar I tried to wire up fried em.
     
  8. Pity7700

    Pity7700 oh umm...uhh?

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    i didnt even start searching through em lol let me take a look.
     
  9. Pity7700

    Pity7700 oh umm...uhh?

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    42 is left turn (10amp) and 36 is right (10amp)

    im showing fuse 10 runs the reverse and park lights. the damn thing doesnt tell me what # the relays are. i can tell you the power wire for the connector is orange and ground is white. Power fuse should be #106
     
  10. VanoFord

    VanoFord Banned

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    Yup you just confirmed everything I tested. I'll be swapping to 15A to make sure they don't blow again. Thanks bud.
     

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