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P3Gauges

P3Gauges V3 Hardwire Harness P3HWKIT - OBD2 Hardwire Kit for P3 V3 OBD2 Gauge, CAN Bus Wiring, 4-Pin Connector, Frees OBD2 Port, OEM-Style Install

P3Gauges V3 Hardwire Harness P3HWKIT - OBD2 Hardwire Kit for P3 V3 OBD2 Gauge, CAN Bus Wiring, 4-Pin Connector, Frees OBD2 Port, OEM-Style Install

£26.97
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

P3HWKIT Hardwire Loom for P3 V3 Gauge

Looking for a tidy, behind-dash solution for your P3 V3 gauge that keeps your diagnostic socket free for mapping, scanning and trackside checks? The P3HWKIT hardwire loom delivers a clean, factory-look install with dependable power, earth and CAN lines, plus a dedicated 4-pin plug that connects straight to your P3 V3 main loom. No trailing leads, no clutter, just a stealth finish that works flawlessly.

Why this hardwire loom is a must-have

  • Retain full access to your diagnostic port for tuning, fault code reading and data logging
  • OEM-style fitment for a discreet, professional interior
  • Direct 4-pin connector into the P3 V3 harness in place of the standard OBD lead
  • Clear, reliable Controller Area Network wiring for stable gauge communication
  • Ideal for daily drivers, track builds and performance road cars

Wiring information

Connect at the rear of your vehicle’s diagnostic socket:

  • Red = 12 V feed (pin 16 of the diagnostic connector for constant power, or use a switched 12 V source)
  • Black = Earth
  • Grey = CAN High (pin 6)
  • Orange = CAN Low (pin 14)

The opposite end features a 4-pin plug that mates directly with the P3 V3 main harness, replacing the usual plug-in lead to the diagnostic socket.

Compatibility

  • Designed for use with the P3 V3 gauge system

Part number

P3HWKIT

Built by P3Gauges

Manufactured by P3Gauges for precise fit and seamless integration with the P3 V3 setup.

What our team and customers say

We’ve installed this loom in-house and the result is exactly what enthusiasts want: a neat, factory-style finish, rock-solid CAN communication and an accessible diagnostic socket for scanning or tuning. Our customers consistently praise the tidy install and dependable performance.

Installation and fitting

Confident DIYers can follow the colour-coded leads and pin references above. Prefer a professional install? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Warranty

12-month manufacturer warranty against defects or failures.

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