3406B coolant temp sensor location

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mile marker 27, Jan 1, 2022.

  1. mile marker 27

    mile marker 27 Road Train Member

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    I’m sorry, wore out but it’ll be tomorrow around noon, fore I can get you a pic. I done left the shop. I’ll get you one and I appreciate it.
     
    wore out Thanks this.
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  3. wore out

    wore out Numbered Classic

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    I’ll be watching for it, we’re just piddling around the shop tomorrow so we’ll have time to help you sort it out I hope
     
    mile marker 27 Thanks this.
  4. wore out

    wore out Numbered Classic

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    If I’m right that’s gonna be your cab accessory relay. But I want to see it before handing out bad electrical advice
     
    Oxbow and mile marker 27 Thank this.
  5. mile marker 27

    mile marker 27 Road Train Member

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    F4709933-C247-4E0A-8E35-D54AD64DF062.jpeg I just bought this truck from some guys who had a rock quarry in Kansas and it’s not been mistreated but it ain’t been maintained either. It was their backup truck and seldom got used, which can be detrimental in itself. I was looking for an older long hood with a 36” sleeper and found this one. Wasn’t necessarily looking for a dump truck but, what the hell. It’s an odd duck for my area, as dump trucks are common but long hood dump trucks with a bunk are unheard of. It’s growing on me. Think I’ll leave it for a while but I do got a 5th wheel, if I change my mind.
     
    Bean Jr., Flint1, Oxbow and 1 other person Thank this.
  6. mile marker 27

    mile marker 27 Road Train Member

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    87C2C4E9-860C-4867-A493-4BD7DF8FB1C2.jpeg CC6A4208-D241-49FB-9F32-15F0CAEF03C0.jpeg 85339C32-64A3-401B-93AE-44F780FE69A9.jpeg 7326A885-0CBD-4125-9B7F-366B7C3BE24B.jpeg 3C8B85E8-308B-409F-B646-CA5F0FA63ADD.jpeg Here’s a pic. You can see there’s not much left of the hot wire going from the solenoid, to the relay/fuse. I’ve got wire nuts on a pair of the browns and blacks. The other pair have what’s left of an eyelet(blue), that went to the fuse/relay. A pair of brown and black go into the firewall and a pair go into a harness.
     
  7. Oxbow

    Oxbow Road Train Member

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    I got nothing.

    Did they pull a dump trailer with that truck? The only thing I can think of is that it was added wiring for trailer tailgate or something.

    @wore out probably has a better idea.
     
  8. mile marker 27

    mile marker 27 Road Train Member

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    They pulled a pup trailer at times.
     
    wore out and Oxbow Thank this.
  9. wore out

    wore out Numbered Classic

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    My 88 nor 91 have anything like that in the battery box. It is possible it had electric tarp or something on it at one time. The cab relay on both of mine are behind the little panel to left of the dash. I have seen folks move them though for whatever reason.
     
    Oxbow and mile marker 27 Thank this.
  10. mile marker 27

    mile marker 27 Road Train Member

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    722211B0-E710-4EC3-A4C5-975E76A68C11.jpeg
    It’s had a pup trailer and by the looks of this spot, on each side of the bed, I’m gonna say that it’s had an electric tarp.
     
    Oxbow Thanks this.
  11. mile marker 27

    mile marker 27 Road Train Member

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    Wore Out and Oxbow, thank you sirs. I pulled all that crap outta there. If and when I put an electric tarp on it, I’ll make it much more simple than that.
     
    Oxbow and wore out Thank this.
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