HOLLEY Dominator required parts list.
#61
Burning Brakes
Why are you ordering an injector harness when you piggyback off the the factory computer? I really don't think you need anything but the power wire, universal harness, aux harness, DBW harness, and wideband sensors to get it up and running.. Just wondering what the thought process is? Please be sure to document the install!
Last edited by redcycle13; 09-16-2016 at 06:41 AM.
#62
Melting Slicks
Thread Starter
Why are you ordering an injector harness when you piggyback off the the factory computer? I really don't think you need anything but the power wire, universal harness, aux harness, DBW harness, and wideband sensors to get it up and running.. Just wondering what the thought process is? Please be sure to document the install!
You don't need injector harness if your piggybacking. You can use three Deutsch connectors and make your factory harness reversible to stock like this. Just use the third connector to make corresponding connections to the injector and ignition wires from the Dominator.
Do you really need the stock ECM? Haven't looked at a schematic for a C5 for years but talking to the local holley guys, a few run no factory ecm(not corvettes). BCM controls ac, windows, correct? I may go to a race pak to make life easier. Just want to clean things up a bit, and make this as simple as possible. This will be my first experience with this so definitely open to suggestions.
#63
Do you really need the stock ECM? Haven't looked at a schematic for a C5 for years but talking to the local holley guys, a few run no factory ecm(not corvettes). BCM controls ac, windows, correct? I may go to a race pak to make life easier. Just want to clean things up a bit, and make this as simple as possible. This will be my first experience with this so definitely open to suggestions.
You need the factory ECM if you don't want the car to get pissed off and light up like a Christmas tree.. If you don't plan to retain any BCM functions or the dash then you can go ahead and gut it and run the dominator as a complete stand alone.
#64
Melting Slicks
Thread Starter
Ok cool, so no injector harness... even tho I am changing to the 558-102 new harness? Just thought it would be an easy swap over. Low cost for me really to buy the injector harness. Being that I am buying the main harness already...what else is used from the factory setup?
#65
Burning Brakes
Do you really need the stock ECM? Haven't looked at a schematic for a C5 for years but talking to the local holley guys, a few run no factory ecm(not corvettes). BCM controls ac, windows, correct? I may go to a race pak to make life easier. Just want to clean things up a bit, and make this as simple as possible. This will be my first experience with this so definitely open to suggestions.
#66
Burning Brakes
Ok cool, so no injector harness... even tho I am changing to the 558-102 new harness? Just thought it would be an easy swap over. Low cost for me really to buy the injector harness. Being that I am buying the main harness already...what else is used from the factory setup?
Last edited by redcycle13; 09-16-2016 at 11:06 AM.
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Smoove (09-16-2016)
#68
Melting Slicks
Thread Starter
Here is another curve ball.... do I get the LS1 harness.....or do I buy an LS2 harness? I have an LS2 in the car right now. My knock sensors are located on the sides like an LS2. I guess I will just get the LS1, if I need to change a thing or two, I can.
558-102
or
558-103
558-102
or
558-103
#70
Don't they have plug and play harnesses for the C6's for Pro EFI and most of the other systems? Pretty sure the C5 is the bastard because no one makes the right connectors.. Someone should 3D print the parts to make the C5 kits plug and play... For the big companies that would be a drop in the bucket, would sell a lot more systems.
#71
Melting Slicks
Thread Starter
Don't they have plug and play harnesses for the C6's for Pro EFI and most of the other systems? Pretty sure the C5 is the bastard because no one makes the right connectors.. Someone should 3D print the parts to make the C5 kits plug and play... For the big companies that would be a drop in the bucket, would sell a lot more systems.
#75
maybe you guy can help sorry to jump in but i have a c5 and proof and we are finishing up on the install but I'm getting the reduced power on the dash. We removed the tb, injector, and coil control from stock edu and pinned it to proefi. does anyone else know what we need to disable in the stock computer to stop reduced power popup?
#76
Melting Slicks
maybe you guy can help sorry to jump in but i have a c5 and proof and we are finishing up on the install but I'm getting the reduced power on the dash. We removed the tb, injector, and coil control from stock edu and pinned it to proefi. does anyone else know what we need to disable in the stock computer to stop reduced power popup?
#78
Melting Slicks
Thread Starter
maybe you guy can help sorry to jump in but i have a c5 and proof and we are finishing up on the install but I'm getting the reduced power on the dash. We removed the tb, injector, and coil control from stock edu and pinned it to proefi. does anyone else know what we need to disable in the stock computer to stop reduced power popup?
#79
Melting Slicks
Thread Starter
Planning on getting around to wiring up the car this weekend. I removed the factory harness, removed all electrical tape and loom to expose wires. I'll install the factory harness, since I will be using some of it still. Install the Holley LS1 harness, and put them together. I will remove my HKS EVC booct controller, and the two MTX widebands, as well as my AUTOMETER nexus gauges. Gonna try and get rid of any clutter, and make plans to mount the new holley 3.5" touch screen I just ordered.
Since we do carbon fiber body panels here, I may try and do a new center console build once the car is working well. For now, I will just mount it in place so we can test, and race. Screen, o2 sensor(forgot to order one), and boost solenoids are showing up soon. Schematics for holley and car, are all printed out in color and in a nice binder.
https://www.holley.com/products/fuel.../parts/553-108
Since we do carbon fiber body panels here, I may try and do a new center console build once the car is working well. For now, I will just mount it in place so we can test, and race. Screen, o2 sensor(forgot to order one), and boost solenoids are showing up soon. Schematics for holley and car, are all printed out in color and in a nice binder.
https://www.holley.com/products/fuel.../parts/553-108
#80
Racer
Sorry to bump an old thread. But im adding a holley to the c5z. So any progress been made here? Can you run the HP or have to get the Dominator? is the 550-602n not plug n play and go?