2003 Electrical Wiring

Solenoid Plugs, Non-MDS, MDS Delete, Dodge, Chrysler, Jeep, Set of 4

Part Number: SUM-G1586

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Harness, Coil Pack, Pro Series, For 58X Reluctor, Chevy, LS, Pair

Part Number: WRS-WSLS3CPH

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Wiring Harness, LS Coil Harness Extension, 30 in. Length, Chevy, LS, Each

Part Number: ICB-WEC0I34-30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Wiring Harness, Chevrolet, EFI, LS1, LS6, Kit

Part Number: PRF-60713

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Transmission Harness, Holley EFI, Pre-terminated, Ford, 1998+, 4R70W/4R75W Transmissions, Each

Part Number: SNE-558-470

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Wiring Harnesses, Holley EFI, LS1/6, 24X/1X, Main Harness, Plug-and-Play, Extended Length, for Dominator/HP EFI Systems, Chevy, 4.8-6.0L, Each

Part Number: HLY-558-133

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Transmission Harnesses, for use with FiTech Ultimate EFI Fuel Injection System to add an Automatic Transmission, Chevrolet, LS, Each

Part Number: FIF-70050-5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Ignition Starter Switch, Chevrolet, Car, Each

Part Number: ADO-D1499C

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Weatherproof Connectors, Holley EFI, GM LSx Engine, Main Harness Connectors, Connectors, Pins, Seals, Cavity Plugs included, Kit

Part Number: HLY-570-103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Automatic Transmission Wiring Harnesses, Replacement, AM General, Aston Martin, Bentley, Cadillac, Chevrolet, GMC, Hummer, Jaguar, Rolls-Royce, Each

Part Number: ATP-JE-22

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Wiring Harnesses, Harness Extends the Generation 3 Knock Sensor Harness, One Circuit, 3 ft. Length, Chevrolet, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: ICB-WEKN030-36

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Wire Connectors, Internal Harness and Viton® O-ring Seal for Allison LCT and GM 4T65-E Transmissions, 20-pin, Gray, 2-piece, Each

Part Number: FLE-S0483

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Combination Switch, Replacement, Plastic, Black, Labeled, Chevrolet, Each

Part Number: SMP-CBS1035

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

LS Coil Wire Harness Extension. 24.00 in. In Length, Remote Mounted Coils, LS1, LS2, LS3, LS6, LS7, LS9, LSA, Each

Part Number: ICB-WEC0I30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Wiring Connector, GM 19368859, Cadillac, CTS, Gray Plastic, Each

Part Number: ADO-PT3846

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Wiring Harness, Sensor Harness Extension, 24 in. Length, LS Gen 3 Throttle Position, Coolant, Oil Pressure Sensor, Each

Part Number: ICB-WETPS30-24

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Camshaft Position Sensor Harness, Harness Adapts A Generation IV LS Sensor To A Generation III Harness, 48 in. Length, Chevrolet, Each

Part Number: ICB-WACAM30-48

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Wiring Pigtail, Benchtop Flash, OBD II, Chevy, Each

Part Number: PRF-60550

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Automatic Transmission Wiring Harnesses, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Each

Part Number: ATP-CE-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Ignition Coil Wiring Harness, Coil Relocation, Extension, 48.000 in., for Remote Mount, LS, Chevy, Pair

Part Number: LSS-GMLS4008

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Oxygen Sensor Harnesses, Additional or Replacement Wiring, for use with FiTech Ultimate LS EFI Kits, Chevrolet, LS, Each

Part Number: FIF-70050-7

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Wiring Pigtails, 1-pin, Female, Black, Buick, Cadillac, Chevy, Ford, Geo, GMC, Lincoln, Mazda, Mercury, Merkur, Oldsmobile, Pontiac, Each

Part Number: SMP-S635

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Relay, 30 Amp, 12V, 5 Male Terminals, Each

Part Number: SMP-RY116

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Relay, 12 V, 10/20 amps, Single Pole, Spade Terminals, Each

Part Number: BCH-0332201107

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air