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Relay Harnesses
Showing In Stock Items. Show All 6 Items.
Conversion Harness: Super Duty OEM LED Headlights (17-19) (Gen 2)
Part Number: MRI-H129
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
12 Position Relay Module with 12 Ground Activated Relays
Part Number: ARC-RC12ECU-1
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
12 Position Relay Module with 8 Ground Activated Relays and 4 Positive Activated Relays
Part Number: ARC-RC12ECU-2
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
12 Position Relay Module with 4 Ground Activated Relays and 8 Positive Activated Relays
Part Number: ARC-RC12ECU-3
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
8 Position Relay Module with 4 Ground Activated Relays and 4 Positive Activated Relays for 16V Batteries
Part Number: ARC-RC8-ECU16V-2
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
ECU RELAY KIT
Part Number: ARC-RC8ECU12V2
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
