Pump Comparison and Wiring Modification Plan
At 10:11 in
Our Supercharged Monte Carlo Has Fuel Pressure Problems... We Upgrade the Pump AND Wires!
What happens here
The existing fuel pump is compared side-by-side with the new Holley fuel pump. Visually, they appear to be of similar dimensions, which bodes well for fitment. The host then delves into the critical wiring modification. He explains that the wires from the new pump will have their existing connector cut off. Instead, ring terminals will be crimped onto the wires, allowing them to be directly bolted to the studs on the sending unit. This direct connection, combined with the larger gauge wire from the hot wire kit, minimizes electrical resistance. The host strongly advises using only marine-grade, fuel-resistant heat shrink or connectors for insulation within the tank, recalling a previous incident where gasoline dissolved standard heat shrink, causing a short circuit and leaving him stranded.
Goal: Ensure the new pump fits and prepare the wiring for installation.
Tools and materials
- Crimping Tool — Attaching new ring terminals securely to the pump's wires
- Marine-Grade — Insulating electrical connections inside the fuel tank
- New Holley Fuel Pump Holley — The pump undergoing wiring modification
- Old Fuel Pump — Comparison of size and design with the new pump
- Ring Terminals — Creating secure connections to the sending unit studs
- Wire Cutters — Cutting the existing electrical connector from the pump's wires
What they say
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What they say
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