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Old 06-03-2009
michael3536's Avatar
michael3536 michael3536 is offline
Senior Member
Join Date: Mar 2008
Location: Wareham
Posts: 551
Default A/T switch little broken

How do you test a test solenoid?

my A/T switch does not completely shut off the power to the dash

I got out my meter and performed these tests;

#1 found it had 3.8 to 4.5 volts still passing through the relay when switched off and went to "0" only when I activated another switch with a larger draw like the (mirror heat) The step extend switch just changes the tone of a low voltage chatter.

#2 with wire disconnected from the switch and the meter attached to terminal and the other grounded it showed 12+ vdc when on and worked every time switched off showing only .01 or.02 VDC on the meter.

I'm not sure what that means or how I should really test it.... why would it work without a load?

Can it be taken apart and the internal contacts cleanned up?

I've checked around for prices and found a big range from 70 to $200 for a cutler-hammer.

I've checked temperature of the relay when left on and gets up to 120 degrees. Is that normal? I hate to lose all that energy to heat.

Thanks for any help
Michael C
Wareham Ma
89 PT40
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