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Old 01-10-2019, 11:52 AM   #1
57NAPCO
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I need some info on switching from idiot light to guage on my 1973...

...on my 1973 El Camino, 383, automatic. Sorry for asking here but our forum has such a wealth of knowledge I thought Id ask.

Im starting out on a long road trip with a new to me truck (yes, El Camino was considered a truck )

Id like to have a couple of gauges to look at on the drive. Thought Id buy a cheapo set at NAPA and install em. Do I need to change the sending units also to go from light to guage?
Any help, tips or opinions are appreciated, thanks!
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Old 01-10-2019, 02:13 PM   #2
Andy4639
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Thumbs up Re: I need some info on switching from idiot light to guage on my 1973...

Yes they come with sendor most of the time. You can add a oil gauge by buying a tee fitting and run both. The water temp can be put in any hole that see's water.
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Old 01-10-2019, 03:03 PM   #3
VetteVet
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Re: I need some info on switching from idiot light to guage on my 1973...

I used the tee behind the distributor like Andy said for the oil pressure, and I plumbed the water temperature gauge into the hole in the right cylinder head between the no.6 and no, 8 cylinders. The gauges are mechanical with the senders using no wires except the lighting for the gauges. They work great. I got mine from Pep boys.

The voltage gauge is electrical, but it is easy to wire into the circuit between any negative and positive points.

You won't need to wire into any of the light gauges in the cluster.
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