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7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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Old 01-30-2012, 09:41 PM   #1 (permalink)
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Clutch Safety Switch

I think my clutch safety switch just puked. I would like to eliminate it. I don't have a wiring diagram for it and need to know which wires I need to splice together to make the truck start.
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Old 01-30-2012, 10:33 PM   #2 (permalink)
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I went looking and I found a site that says to cross the red and yellow to bypass it.

AND now I found another that said to connect the BLACK and red together. Hope someone chimes in with the right answer. I have had auto trannies in my trucks since 1986.
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Old 01-31-2012, 05:43 AM   #3 (permalink)
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You have to jump (join two wires). There's four at the switch, the other two are for the speed control cutout when the clutch is depressed. The correct two can be determined with a test light.
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Old 01-31-2012, 01:10 PM   #4 (permalink)
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I got it figured out. Thanks for the advice. For future reference you have jump the two red wires. The two green ones are for the speed control cutout as LMJD pointed out.
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Old 01-31-2012, 02:39 PM   #5 (permalink)
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The start circuit wires should be red w/blue stripe, but it can be a little hard to see that we'll under the dash.
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