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-   -   HEI 12V backup source (yes another 12v question!) (https://forums.maxperformanceinc.com/forums/showthread.php?t=882825)

Bermudagto 10-29-2025 11:03 PM
HEI 12V backup source (yes another 12v question!)
 
Well I’m running a Davis HEI and was expecting to easily run a 12 gauge wire off my fuse block from the IGN spade but found it was a hole with no connection! What’s my next option?!! See pic of fuse block. THANKS

Squidward 11-02-2025 04:24 AM
Quote:
Originally Posted by Bermudagto (Post 6588956)
Well I’m running a Davis HEI and was expecting to easily run a 12 gauge wire off my fuse block from the IGN spade but found it was a hole with no connection! What’s my next option?!! See pic of fuse block. THANKS
Not seeing picture. :confused:

Goatracer1 11-03-2025 04:42 PM
I power the HEI (and other things) off a relay triggered by the original ignition feed. The lower voltage is plenty to turn on the relay.


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