[Healeys] Overdrive wiring question
healeybruce at roadrunner.com
Sun Sep 3 08:38:32 MDT 2017
A couple of other factors:
1. The dash switch is not defective; it tests fine.
2. Removing the ground from the OD relay (terminal W2) had no effect;
i.e., the solenoid still engaged when the lever was moved to the 3rd/4th
position, indicating to me that the relay was not engaged and thus holding
the relay points closed.
From: Bruce Steele [mailto:healeybruce at roadrunner.com]
Sent: Saturday, September 02, 2017 9:50 PM
To: 'Healey List' <healeys at autox.team.net>
Subject: Overdrive wiring question
After installing the new wiring harness, I encountered a puzzling situation.
With the engine off and the ignition on, the OD solenoid would engage when
the shift lever engaged the transmission switch irrespective of the position
of the dash switch. That is, the solenoid would engage whether the dash
switch was on or off. Further, if I depressed the accelerator, thus opening
the throttle position switch, the solenoid would NOT engage under the same
conditions. Hence, it seems that either the OD relay was engaged by the W1
terminal being energized or somehow the C2 terminal was energized.
Unfortunately I caused a short in the throttle switch damaging my harness
before I could trace this. Any thoughts?
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