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accessory wire 08 2500hd

Discussion in 'Chevy Trucks' started by suzuki0702, Jan 16, 2013.

  1. suzuki0702

    suzuki0702 Senior Member
    Messages: 649

    Cant seem to find an accessory wire for a truck install im doing... trying to hook up the controller to accessory circuit so we dont drain the battery. havent looked behind the radio yet but im baffled they dont have any ignition wires under the steering column that i can find... any help is appreciated!
  2. T-Trim

    T-Trim Senior Member
    from NE OH
    Messages: 207

    if you have a test light. Check all fuses in the IP fuse block. Look for a fuse that isn't hot in off. That will be the one you want to tie into.
  3. suzuki0702

    suzuki0702 Senior Member
    Messages: 649

    Found three fuses in the underhood block but when controller is used on plow causes trans to shift erratically
  4. bliz&hinikerDLR

    bliz&hinikerDLR Senior Member
    Messages: 467

    No, No ... under the dash ... Go to the auto parts store and get a fuse tap and put it on something like the wipers or key switched power plug
  5. suzuki0702

    suzuki0702 Senior Member
    Messages: 649

    There is no panel under the dash its on side of the dash and all fuses in there are constant..
  6. suzuki0702

    suzuki0702 Senior Member
    Messages: 649

    Ill try wiper circuit or radio I suppose
  7. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    In the underhood panel use the "SEOB1" or "SEOB2" fuses depending on what is has (you didn't provide enough truck details). Either one should be keyed ignition. Use a testlight to verify.