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Topic: 3126 Caterpillar Cold Start (Read 169 times) previous topic - next topic

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3126 Caterpillar Cold Start
When I was putting the wire harness back on our 3126 Caterpillar, I found a wire labeled "Wait to start". Could not find any reference to it on the FT wire diagrams, never found a place that it hooks to.

This wire does not produce, either a...

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Re: 3126 Caterpillar Cold Start
Reply #1
Chris,

Use the voltmeter on the "engine side" of the intake manifold heater solenoid when someone turn the key to the first position (not turning over the engine).  The intake manifold heater is important to starting your engine (actually most all...

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Re: 3126 Caterpillar Cold Start
Reply #2
Chris,

Use the voltmeter on the "engine side" of the intake manifold heater solenoid when someone turn the key to the first position (not turning over the engine).  The intake manifold heater...


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Re: 3126 Caterpillar Cold Start
Reply #3
Correct Brett,that would be the way to test the system. One can even feel the heater to see if it's getting warm.
But in my situation, there was a ground to the solenoid. It was grounded to...


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Re: 3126 Caterpillar Cold Start
Reply #4
Here is a picture of the stubbed off factory plug. The wire comes out, goes around 12" to the positive side of the  heater solenoid.

I wonder if I have one on my 3176B ?

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