Relay Harnesses

ECU RELAY KIT

Part Number: ARC-RC8ECU12V2

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Harness Connector

Part Number: FSS-70064

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

• Drop Ship
• Special Order

Relay Harness,: Morimoto Non-DRL Conversion (14-20 Toyota Tundra) Each

Part Number: MRI-H135

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Super7 Input: H13 (w/ anti-flicker)

Part Number: MRI-H483

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

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: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Relay Harness, PWM Harness: Morimoto Standalone Canbus (9005/9006) Each

Part Number: MRI-H191

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Relay Harness, PWM Harness: Morimoto Standalone Canbus (5202/PSX24W) Each

Part Number: MRI-H230

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

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: Apr 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Relay Harness, Conversion Harness: H13 LED > Jeep JL (18+) Each

Part Number: MRI-H127

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

• Drop Ship
• Special Order

Relay Harness, 2014 - 2018 Toyota Tundra OEM LED Headlight Conversion Harness Each

Part Number: MRI-H126-LED

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Relay Harness, 2015+ Mopar Harness Each

Part Number: MRI-H105

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Relay Harness, PWM Harness: Morimoto Standalone Canbus (H1/H3) Each

Part Number: MRI-H200

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Relay Harness, HD: H11/H9/H8/880 Each

Part Number: MRI-H40

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

RELAY

Part Number: RFW-AR40

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Drop Ship
• Special Order

Relay Harness, Harness: MotoCycle Single Output (H4) Each

Part Number: MRI-H171

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

• Drop Ship
• Special Order

12 Position Relay Module with 12 Ground Activated Relays

Part Number: ARC-RC12ECU-1

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Relay Harness, HD: H1/H3 Each

Part Number: MRI-H20

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Relay Harness, PWM Harness: Morimoto Standalone Canbus (H7) Each

Part Number: MRI-H210

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Relay Harness, Harness: MotoCycle Dual Output (H4) Each

Part Number: MRI-H181

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Super7 Input: H4 (w/o anti-flicker)

Part Number: MRI-H510

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Relay Harness, HD: 5202/PSX24W Each

Part Number: MRI-H50

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Relay Harness, Mustang OEM HID Conversion (2010-2012) Each

Part Number: MRI-H111

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Relay Holder, Sealed, Each

Part Number: FCH-5015001972

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order