HELP wiring harness/ gauge harness question

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jb69f100
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HELP wiring harness/ gauge harness question

Post by jb69f100 »

:help: I have a 69 f100 ranger, the guages had the two idiot lights and two gauges. I replaced the gauge cluster with one that has 4 gauges, 69 model. The question I have is that the cluster harness connector and the main wiring harness connector have the wires in different locations. Is the main harness the same for either gauges or idiot lights, or is the main harness different depending on options on the truck? Can I just plug the new gauge harness into the old main harness and expect everything to work as normal? Any info will be greatly appreciated, Thanks


Joe
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basketcase0302
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Re: HELP wiring harness/ gauge harness question

Post by basketcase0302 »

"jb69f100"]:help: I have a 69 f100 ranger, the guages had the two idiot lights and two gauges. I replaced the gauge cluster with one that has 4 gauges, 69 model. The question I have is that the cluster harness connector and the main wiring harness connector have the wires in different locations. Is the main harness the same for either gauges or idiot lights, or is the main harness different depending on options on the truck? Can I just plug the new gauge harness into the old main harness and expect everything to work as normal? Any info will be greatly appreciated, Thanks
Joe
The harnesses are not the same Joe. The harness for the truck that came out of the showroom floor with the real gauges, (not idiot lights) for one had what is referred to as "shunt wiring" which measures the total amperage draw on the trucks wiring system.
Here's the shunt wiring gauge panel diagram:

Image

And here's the idiot light panel wiring diagram:

Image

You can easily move your idiot light gauge from one panel to the newer one but also keep inmind that the panels also changed for the different years so you'd have to "graft" your old harness to the newer panel which is a little more work. :wink:
Jeff
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