- Joined
- Feb 11, 2019
- Messages
- 2,953
- Reaction score
- 1,708
- Points
- 113
- Location
- N/A na
- Vehicle Year
- 1990
- Make / Model
- Ford Ranger
- Engine Type
- V8
- Engine Size
- 306, Bcam,
- Transmission
- Manual
- 2WD / 4WD
- 2WD
So Im using an A9L and a foxbody harness. I got that Ron Francis o2 harness, pinned it the way the instructions said for the year the harness is from. When they are plugged in the truck hesitates and pops and backfires. I can't figure out whats up.