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> 1970 combo gauge wiring
Cfletch
post Jul 2 2025, 06:36 PM
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Looking for some specific help here regarding a 1970 Combo gauge and wiring.

Basically I need to install my new combo gauge that has 3 separate gauges in for fuel, oil temp and oil pressure. I had John Bell make this gauge for me. I can't find a good wiring diagram that will show me colors of wires and where they belong on the back of even a normal combo gauge for that era and I am a little stuck.

Gauge has the above, but also the original normal stuff such as brake, alternator, oil pressure light and all of that. Can someone point me ideally a color coded wiring diagram specifically for the gauges so I can connect up the normal stock stuff and then worry about the new stuff such as oil temp and pressure?
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JeffBowlsby
post Jul 2 2025, 07:00 PM
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Find the factory schematics here: https://bowlsby.net/914/WiringHarnesses/

For 1970 the drawing is only in B/W.

You might review the 1971 which is in color, and may be close, but you’ll need to verify as you go.
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