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Re: You are correct I have... Posted by SWEDECAR [Email] ![]() ![]() ![]() In Reply to: You are correct I have..., Dag, Fri, 9 Apr 2010 05:07:20 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Yeah you see, the problem with the gear selector switch is that it fails in a manner where a solder/crimp contact inside the epoxy putty part goes partially open with heat. That will drop the voltage and amperage that can pass over the bad joint but still allow some on the other side.
So if you use a too sensitive measuring device on the relay side, you might still see 12V under no load but it drops dramatically when you load up the circuit like keeping the key in cranking position.
When you backfeed new raw power (plus what the ignition switch already feed) to the incoming side of gear selector switch, you have plenty more juice and it might overcome the obstacle that the bad solder joint created.
But as I said, it can also be an ignition switch but with the way your are testing right now, you will not be able to pin point that.
Anders
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