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Old 10-22-2017, 09:59 AM   #8
OldNuc
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Join Date: Apr 2008
Location: Far Southwestern Iowa
Posts: 65,130
 

1998 SC2
Default Re: Cigarette lighter wired to ignition

Relay source. https://www.allelectronics.com/categ.../relays/1.html this relay will do the job, use the N.O. contacts that close when coil energized. CAT# RLY-656

It is also advised to place a simple diode across the coil that is reversed biased when power is applied to suppress the coil discharge voltage spike. The ignition switch is not designed to handle these types of transients long term.

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