Magnetic Starter Relay M.I.A.

[fpchief]

My other deuce has it but my '71 M109 doesn't have the starter relay on the side of the block above the starter. Is the starter solenoid filling that capacity? I did notice that the #10 wire I repaired when troubleshooting no power to main switch is coming from the starter solenoid on this one...(I think)

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[Jeepsinker]

Not all trucks had them not sure why. I had surmised at one time that one type of starter solenoid drew less amperage than another, but I have no data to support that other than noting that all the trucks without a solenoid have had the bell shaped solenoid, where all the cylindrical solenoid equipped trucks I've seen except one have had the magnetic relay.

Anymore though, I honestly don't think it is required at all. I think they were a safety feature meant to keep soldiers from welding contacts in starter solenoids by cranking with a low battery pair, but I haven't really thought that through either.