Need help wiring up your swap?
For $400 I will combine your Starion and DSM (1G, 2G, VR4) wiring harnesses resulting in a nice and simple plug in installation. This includes a full shrink wrapping and 4 new injector clips and return shipping (within USA). I can also track down replacement connectors if yours are damaged (fee may apply). I will also include any additions free of charge (MAF Translators, Wideband Controllers, etc).
What I will need from you:
Starion Engine Harness
DSM wiring harness
Any additional hardware you would like to add + its documentation
An description of where you are locating everything on the motor (front or back water neck, CAS location and type, map sensors, IAT sensors, etc)
For an additional $50 I can wire up the charging circuit. For this I will need the charging sub harness which connects the alternator to the wiring in the front left (battery) corner of the engine bay.
I have performed over a dozen wiring jobs since the start of this website nearly 10 years ago. These harnesses have been used in daily drivers as well as full racecars. If you're in the Baltimore area, I'm willing to come out and help as well. I'd love to meet more swappers in the area.
Wiring Harness Service by DJpowerhaus
Moderators: DJpowerHaus, mattmartindrift
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DJpowerHaus
- Sir Post A Lot
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Wiring Harness Service by DJpowerhaus
Last edited by DJpowerHaus on Sat Apr 28, 2018 9:22 am, edited 1 time in total.

Getting the engine bolted in is about 10% of the way there.
The next 80% can go quickly with help and skill.
That last 10% takes about as long as the 90% that came before it.
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screemin eagle
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guancheastur
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DJpowerHaus
- Sir Post A Lot
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I've been renovating my house since 2012 which is about the last time I did a harness. I'm pretty much done inside and can finally use my benches for wiring harnesses again. I've started building a test bench, have an oscilloscope and can do some serious testing on this stuff starting now.
Sorry for the 3 year absence. Who needs a wiring harness?
Sorry for the 3 year absence. Who needs a wiring harness?

Getting the engine bolted in is about 10% of the way there.
The next 80% can go quickly with help and skill.
That last 10% takes about as long as the 90% that came before it.
sorry if this question is nubile, i try to look all over the site before asking something thats already been answered. but why do the starion and dsm harnesses need combined? i figured i just need the dsm harness to plug from ecu to motor and all of the other accessories can keep stock starion harness
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DJpowerHaus
- Sir Post A Lot
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- Joined: Wed Apr 07, 2004 3:24 pm
- Location: Baltimore, MD
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You are correct in that the DSM harness will connect the ECU to the motor, but it does not hook into the chassis so that it gets power from the correct fused sources and the signals go to the right connectors for the gauges and warning lights to all function as if it were a stock swap.
I basically wire the B38 connector from the Starion harness into the DSM harness, while also stripping out all the things you don't need, adding what you do need, lengthening and shortening where needed, and relooming in shrink tubing.
I basically wire the B38 connector from the Starion harness into the DSM harness, while also stripping out all the things you don't need, adding what you do need, lengthening and shortening where needed, and relooming in shrink tubing.

Getting the engine bolted in is about 10% of the way there.
The next 80% can go quickly with help and skill.
That last 10% takes about as long as the 90% that came before it.