[For Sale] **Sold ***Holley Terminator/Dominator wiring harnesses
Thread Starter
Joined: Sep 1999
Posts: 1,496
Likes: 60
From: Danville, IN
Car: 1991 Camaro Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: Strange 12 Bolt, 3.42
**Sold ***Holley Terminator/Dominator wiring harnesses
******************* Sold ************************************
Got these harnesses with a terminator system but went a different direction with a custom harness. All are new never used.
New Holley EFI 558-103 58x Engine harness for Terminator or Dominator. $500 shipped obo
https://www.holley.com/products/fuel.../parts/558-103
New Holley 558-308 Main power harness $60 shipped obo
https://www.holley.com/products/fuel.../parts/558-308
$525 for Main power harness and Engine harness together shipped.
Got these harnesses with a terminator system but went a different direction with a custom harness. All are new never used.
New Holley EFI 558-103 58x Engine harness for Terminator or Dominator. $500 shipped obo
https://www.holley.com/products/fuel.../parts/558-103
New Holley 558-308 Main power harness $60 shipped obo
https://www.holley.com/products/fuel.../parts/558-308
$525 for Main power harness and Engine harness together shipped.
Last edited by jbenge; Oct 1, 2025 at 04:08 PM. Reason: sold
Thread Starter
Joined: Sep 1999
Posts: 1,496
Likes: 60
From: Danville, IN
Car: 1991 Camaro Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: Strange 12 Bolt, 3.42
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