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Welcome to the Hemi Swap Community! We want this to be an open forum where anyone can ask anything about the Hemi engine and doing Hemi Swaps. We find the information can be scattered all over the internet and want this to be a centralized place where we can talk amongst each other and share our questions and answers that may be able to help others going through similar Hemi swap situations. Please be kind to others and help out where you can while getting the information you need. Blake and Mike will be admins and answering questions here as well!

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millerelec

Nov 01, 2021

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in Hemi Engines

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I have installed a 2005 5.7 Hemi in my street rod and completed my stand alone DIY harness as instructed.

I want to spin the motor to add all fluids (PS,Auto, Radiator ,ETC) but not start so I have yet to put fuel in.

I have a battery power shut of.

I turn the battery power shut off on.

I turn my key to on then to start.

My starter turns and rotates the motor fine.

When I return my key back to run or in the off position my starter continues to spin.

Only way to stop the starter is with the battery shut of switch.

Will the computer solve this once fuel is added????

6 answers16 replies

22 Comments

Blake Andermann

Nov 02, 2021

•

Routing, not tying, sorry

Blake Andermann

Nov 02, 2021

•

No, you should only use the starter wires in the QuickHemi harness. If you want to have a neutral safety incorporated, have it supply the ground to the starter relay by cutting the ground on the relay and tying it to your neutral safety switch

millerelec

Nov 03, 2021

Replying to

@Blake Andermann Thanks Blake.

I’ll get the neutral safety wire circuit outa the loop and see how things go...

millerelec

Nov 09, 2021

Replying to

Hey Blake

I got the neutral safety circuit outa the loop and the starter functions properly.

After adjusting my gauge and getting my fuel pressure up to the 60Lb requirement I tried to fire the hemi. It appears I have no spark at any of the plug wires. I rechecked my electrical connections again and they look fine. A couple things might be the problem: I have not connected the W 30 White wire as I don't really see a place, or need for that. I'm not stepping on my brake pedal when trying to start but I don't feel that would matter. Any testing you might suggest I can do?

millerelec

Nov 10, 2021

Replying to

I checked all the fuses in the stand alone box and they appear fine. When I did my hemi install I ran the PC grounds to the firewall. I ran the hemi ground to the frame (Battery ground to frame also) Might need more grounding??

Blake Andermann

Nov 02, 2021

•

Get a test light and check your W13 wire it should only get voltage positive while cranking. It looking like your ignition switch may be the problem

millerelec

Nov 02, 2021

Replying to

@Blake Andermann So I went back through my switch and it's perfect. I removed W13 from the start post and the starter works fine with just my starter wire. I removed my starter wire which drops to my neutral safety switch then to my starter and installed only your W13 and the starter works fine also. I think one wire only is the answer but when using yours I would have no neutral safety unless I rewire with just yours which is what I have with both on...

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