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Thread: LS PCM power connection
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10-20-2016 #1
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LS PCM power connection
When I was doing all the setup for my swap I ran the power for the PCM to the alternator since I have a trunk mounted battery. For the final install should I move this to the battery or can it remain where it is? I can't use the starter because I use a remote solenoid so there is no constant "hot" on the starter.
Big dreams, small pockets....
Chris--
'72 Cutlass S LSA/T56 Magnum
Bowler Performance, Forgeline, Speedtech, ATS, Speartech, KORE3, Ridetech coilovers
Project Motor City Madness
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10-20-2016 #2
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For this, and other reasons, I like having a robust power distribution system under the hood. I like using these Delphi Maxi Fuse modules.
Originally Posted by csouth
Andrew1970 GTO Version 3.0
1967 Cougar build
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10-20-2016 #3
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Yeah, I'd would still have to get power from the batter to there correct?
Big dreams, small pockets....
Chris--
'72 Cutlass S LSA/T56 Magnum
Bowler Performance, Forgeline, Speedtech, ATS, Speartech, KORE3, Ridetech coilovers
Project Motor City Madness
10-21-2016 #4
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Connecting to the alternator post is the same thing as using a distribution connector. I like the power connection from mid 80s and 90s. It is a straight 5 lug power distribution found on the firewall of gm trucks. I mounted one on the front radiator support to power relays, headlights and fans.
RickRick - 1969 Camaro - LS1 driven daily
10-21-2016 #5
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As Rick said, I see no issue with running a lead from the alternator to the main power distribution point. Presumably you also have a largish gauge wire from the alternator to the hot side of the solenoid? Originally Posted by ccmc
Andrew1970 GTO Version 3.0
1967 Cougar build
GM High-Tech Performance feature
My YouTube Channel Please Subscribe!
Instagram @dr__efi
I deliver what EFI promises.
Remote Holley EFI tuning.
Please get in touch if I can be of service.
"You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her
10-21-2016 #6
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Yeah, it's 8 gauge Originally Posted by andrewb70
As Rick said, I see no issue with running a lead from the alternator to the main power distribution point. Presumably you also have a largish gauge wire from the alternator to the hot side of the solenoid? Originally Posted by ccmc
AndrewBig dreams, small pockets....
Chris--
'72 Cutlass S LSA/T56 Magnum
Bowler Performance, Forgeline, Speedtech, ATS, Speartech, KORE3, Ridetech coilovers
Project Motor City Madness
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