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Old 12-02-2015, 08:11 AM   #1
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Join Date: Jul 2013
Member Number: 6142
Location: The Bluegrass State
Age: 52
Posts: 26
Default AfterMarket Gauges andTemperature sending units

I am adding some aftermarket gauges (the cheap kind you buy at your autoparts store) for alt/temp/oil since the 61 Scout 80 only has indicator lights (except temp). I found that the aftermarket temperature probe is too long to fit into the port that houses the original sending unit, so I have a couple questions.

1) how hard is it to test the temperature gauge to see if it is operational? What is procedure? Do I need special equipment.

2) I know the sending units are available (right here at IHPA!) but I can't seem to find anything on the cable for them. Anyone point me in the right direction?

3) does anyone have any experience with aftermarket gauges that fit the Scout 80 with 152 cu in engine.

This is the last step of a complete rewire that should see my Scout back on the road!

As always thanks in advance for your help!
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Old 12-02-2015, 09:10 AM   #2
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Member Number: 4714
Location: Fremont
Posts: 490
Default Re: AfterMarket Gauges andTemperature sending units

1. If it's a mechanical gauge (sender and cable permanently attached to gauge), just dip the sender end in some boiling water and make sure it reads close to 212f. If it is an electical gauge, power it up and do the same with the sender.
2. Usually doesn't matter what wire you use for an aftermarket electrical gauge. The sender just puts out a voltage that changes with temperature and the gauge reads the voltage, and displays a corresponding temperature.
3. You can also pick up one of those new fangled infrared thermometers for 25-30 bucks from harbor freight, norther tool, etc. They are a nice addition to your toolbox, and have many uses. Among other things, you can just point the red dot at the mainifold or where ever your sender is located and it'll give you a temp.
1975 Scout II healthy 258, Wide T19 , 4:1 D300 3:54s,
1972 Real clean stock Scout II P/S, P/B, 345, T18, 3:73s
1969 Mach I. Balanced ported 351W, 650 double pumper, Super T10, Detroit locker with 4.11s. Lowered with racing springs, bars, Konis etc.
(Don't worry about getting arrested when I drive the Scouts).

Last edited by Hondo; 12-03-2015 at 07:47 AM..
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gauge, temperature, testing, wiring

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