MSD relay

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ace75

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looks nice, great product for guys wiring up the aux switches.
 

bfr

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I know that many have used relays when wiring up aftermarket lights. But thought I'd also read that each AUX switch comes from the factory with a corresponding relay. Anyone know about this? Confirm, deny, location??
 

SilverBolt

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I know that many have used relays when wiring up aftermarket lights. But thought I'd also read that each AUX switch comes from the factory with a corresponding relay. Anyone know about this? Confirm, deny, location??

Each of the upfitter switches does indeed have a relay. However the amperage rating of the factory relays is quite low.
 
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