Quote:
Originally Posted by SAHall
So, i started this thread with a no crank situation in my 1990 z. Thanks for all of the advice.
I found the purple wire behind the ECU in the engine compartment, cut a small flap in the wire jacket, turned the ignition key to “on” and applied power directly from the positive battery terminal to the purple wire-and- the starter cranked. I then tried to start the engine with the key and it now starts the engine. All appears fixed, for now.
Glad it started-but still not sure what caused the starter to not crank in the first place?
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The Starter Solenoid contacts are burnt a bit and a HOT start with purple wire is enough current to overcome the Solenoid contact issues.
It may start easily for a few times then back to no start once the Solenoid contacts are burned a bit more.
Best to Remove Starter and Solenoid cover. Then remove the plunger and wire brush the contacts on the plunger and fixed contacts within the Solenoid.
Post 52 - Starter, Starter Relay, Wiring Harness, Battery, and Plugs Tricks