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Help with aux lights--'67 144 140-160

posted by  Ron Kwas on  Sun Aug 2 12:46 CST 2009
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last visit: Fri Oct 24 04:03 CST 2014
[RELATED]

John;

I'm having trouble understanding your explanation of symptoms and conditions, but in general terms, the working contacts of relay should switch power (from a source like fuseblock or battery) to the loads, when relay is energized (and closes working contacts with a clack).

The working contacts can be isolated (four terminal relay, where two are coil and two are working contacts), or power source for coil and load may be internaly tied together (three terminal relay) in this case the wire going off to the switch gets grounded to chassis to energize coil and transfer power to the output terminal.

I suggest you study the (3 term) relays and their hookup in this wiring diagram: http://www.sw-em.com/122S%20Wiring%20Diagram.jpg

It is unlikely but not impossible I suppose that the relay was bad to start with...does relay clack when you energize it? If not, start there...load (new lights don't even need to be connected for these checks.

Good Hunting!






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