Quote:
Originally Posted by Ultramaroon
Yes. I can see in the wiring diagram that the switch is in series with the start relay winding and ECM. In this case, the energy that causes the arc comes from the collapsing magnetic field in the relay winding. The ECM has components built in to absorb that pulse when it lets go of the relay but they don't do anything to protect the arc from forming across the switch when it opens the circuit first.
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Interesting find... So if I keep my foot on the clutch longer (i.e. keeping the contacts together) then I can let that energy pass between the contacts without the arc, thus increasing the longevity of the switch?