What are these speedo wires for?

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What are these speedo wires for?

Postby truckman » Mon Jun 20, 2016 12:19 pm

I'm replacing my kph speedo in my '81 with a mph one, which may be from a slightly older truck. There is a harness with 2 wires coming from the odo shaft. Are they just for cruise, or something else?
Can't post pic, too big.
'81 Ram 150, Cummins 4BTA conversion, underway.
'96 Ram 4x4 Cummins, slightly modded.
truckman
fuel pin?
 
Posts: 5
Joined: Sun Oct 17, 2010 3:46 pm
Location: Erie Pa

Re: What are these speedo wires for?

Postby truckman » Mon Jun 20, 2016 2:25 pm

Maybe this will help.
Image
'81 Ram 150, Cummins 4BTA conversion, underway.
'96 Ram 4x4 Cummins, slightly modded.
truckman
fuel pin?
 
Posts: 5
Joined: Sun Oct 17, 2010 3:46 pm
Location: Erie Pa


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