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  1. #1
    Join Date
    Jan 2014
    Location
    Sacramento, California
    Posts
    141
    Country Flag: United States

    LS2 swap starting issue

    ok so I have a ls2 engine with a holley ecu and harness... when I key the ignition on I have power at the coils but it shuts off after five seconds with the fuel pump....is that correct? when I crank the engine I get power to the coils again only issue is it actually goes to my wires and plugs. I cant figure it out. any ideas?



  2. #2
    Join Date
    Apr 2004
    Location
    Cedar Rapids, IA
    Posts
    975
    Sounds like the anti-theft to me.
    Some times I'm fast sometimes I'm half-fast

  3. #3
    Join Date
    Jan 2014
    Location
    Sacramento, California
    Posts
    141
    Country Flag: United States
    i have a holley ecu and harness cant be anti theft

  4. #4
    Join Date
    Jan 2014
    Location
    Sacramento, California
    Posts
    141
    Country Flag: United States
    figured it out my starter wasn't liking my battery being in the trunk with the 2 gauge wire I was running. I put it in the engine bay with shorter 2 gauge wire and it fired right up

  5. #5
    Join Date
    Sep 2014
    Posts
    130
    Country Flag: United States
    Use welding cable for rear battery location.