Quote:
Originally Posted by ZWILD1
Is that what the whole relay circuit modification is correcting ? Is this what degrades over time causing the no start issue?
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Yes. Prior to the 93 MY, the issue is the high current arcing in the clutch safety switch that erodes the contacts to the point where at first the switch becomes intermittent, and then finally inoperable.
The clutch safety switch is not an issue beginning with the 93 MY cars due to a circuit design change utilizing a relay to handle the current, so the 93+ cars seldom (if ever) have an issue with the clutch safety switch.
However, a relay can be installed in the 90-92 cars which provides the same relief to that safety switch as the 93+ cars enjoy by re-routing the high current carried by the purple wire from the safety switch through the contacts of a relay installed behind the battery compartment. The current from the safety switch activates the relay instead of the starter which greatly reduces the current/arching that was the issue with the 90-92 safety relays.
See attached...
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