Radium DIY Fuel Pump Wiring Kit (17-0031)
SKU: 17-0031
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Radium DIY Fuel Pump Wiring Kit (17-0031)
Product details
Description
A high-flow fuel pump wired through tired factory circuits is a voltage drop waiting to starve your engine.
Adding a surge tank pump or upgrading to a bigger in-tank pump means real current draw, and the factory wiring was never sized for it. The Radium Engineering DIY Fuel Pump Wiring Kit gives you everything to build a proper relay-switched power harness for one fuel pump, with a sealed relay and sealed in-line fuse holder that can live in weather-exposed areas. The aircraft-grade TXL wire shrugs off chemicals and heat, and the Raychem solder-based butt connectors make clean, reliable joints without a soldering iron. Do the wiring once, correctly.
What You'll Feel
- Full battery voltage at the pump, which means the flow you actually paid for
- No flickering or heat-soaked wiring worries on long pulls or hot track days
- A tidy, purpose-built harness instead of a bundle of parts-store splices
- Confidence mounting the relay and fuse in the engine bay or trunk, since both are sealed
- An install you can finish in an afternoon with basic hand tools
Features
- Complete DIY harness kit for powering one fuel pump (buy one kit per pump for multi-pump setups)
- Sealed relay and sealed in-line fuse holder with 20A fuse, suitable for weather-exposed mounting
- Aircraft-grade TXL wiring, resistant to chemicals and elevated temperatures
- Raychem crimpless solder-based butt connectors for clean, reliable connections
- Posi-Tap connector for tapping the factory trigger wire without cutting it
- Ring terminals included, including terminals for connecting an external Bosch 044 pump
The Details
The kit works like any proper relay harness: heavy-gauge power runs from the battery positive terminal through the included 20A in-line fuse to the relay, and the relay switches that current to the pump. The trigger side taps your existing fuel pump circuit with the included Posi-Tap, which matters for two reasons. First, the ECU's fuel pump output retains its priming behavior and its safety cutoff at 0 RPM. Second, on surge tank installs, tapping the primary pump relay wire makes all pumps run together, which protects against a pump running dry or an unattended fire hazard. Radium's diagrams assume a 12V trigger, and if your car switches ground instead, the relay coil simply wires with the opposite pole to 12V. Assembly requires wire cutters, a stripper, a crimp tool, a pick, and a heat gun for the solder sleeves. This is a build-it-yourself harness cut to your car's exact routing, so plan your relay location and wire runs before you start. The pump itself is not included.
Kit Includes
- 1x Sealed relay
- 1x Sealed in-line fuse holder with 20A fuse
- Aircraft-grade TXL wire
- Raychem solder-based butt connectors
- 1x Posi-Tap trigger wire connector
- Ring terminals (battery and pump connections, including Bosch 044 style)
Applications
- Universal: powers one 12V electric fuel pump per kit
- Fuel surge tank pumps, in-tank pump upgrades, and external pumps such as the Bosch 044
- Multi-pump systems: purchase one kit per pump
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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