Re: Preferred wiring harness
I had a painless and sold it because my factory harness is in good shape. What I have learned from my LSx swap is, there are not enough additional "ignition on" circuits in the factory harness. I would like to see a harness that contains all of the original circuits with additional circuits for fuel injection equipped trucks. I like the way Ron Francis kits are not pre-terminated so that you can install only what you need. With the 18 and 21 circuit kits you end up with extra wires tucked all over the place. Seems to me there is room to improve what is available for the after-market.
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