2003 CADILLAC Electrical Wiring

Relay, 40/60 Amp, 25 Amp Continuous, 30 Amp Fuse, Each

Part Number: DER-16763

4.16 out of 5 stars ( 25 )

Estimated Ship Date: Monday 4/20/2026 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 4/20/2026 if shipped by air

Wiring Pigtails, Replacement, Female Wire Connector Type, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-PT2782

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Neutral Safety and Backup Light Switch, T-Series, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Each

Part Number: SMP-NS85T

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wiring Harness Connector, Replacement, Multipurpose, Male, 2-pin, Gray, Each

Part Number: ADO-PT209

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wiring Pigtails, Replacement, Female Wire Connector Type, for Hyundai, AMC, Cadillac, Chevy, Chrysler, Ford, Geo, GMC, Jeep, Ram, Saturn, Suzuki, Each

Part Number: ADO-PT2386

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Headlight Switch, OEM Replacement, Chevy, GMC, Each

Part Number: RNB-901-142

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wiring Pigtails, Replacement, Female Wire Connector Type, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-PT308

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wiring Pigtails, Replacement, Female Wire Connector Type, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: ADO-PT1799

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wiring Harness, Vapor Canister Vent Solenoid Harness, Use with 20907779 in place of 20948082, Cadillac, Chevy, GMC, Hummer, Isuzu, Suzuki, Each

Part Number: ADO-19257603

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wiring Connectors and Pigtails, ACDelco Wiring Connectors, Pigtail Connector, 6 Wires, Multi-Purpose Connector, Each

Part Number: ADO-PT2712

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Resistor, Blower Motor, Buick, Cadillac, Chevy, GMC, Oldsmobile, Each

Part Number: SMP-RU631

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wiring Harness Connector, Replacement, OEM Type, Female, 2-pin, White, Each

Part Number: ADO-PT249

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

EM- Side Marker Lamp Cn

Part Number: SMP-S-1305

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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• Special Order

Switch, A/C Clutch Cylcle, Stock Replacement, Buick, Cadillac, Chevrolet, GMC, Truck, Each

Part Number: ADO-15-50156

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wiring Pigtail, Vehicle Speed Sensor, 2-pin, 700R4, 4L60E, 4L80E, Each

Part Number: ATP-JE15

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Drop Ship
• Special Order

Wiring Pigtails, 2-pin, Male, Black, for Hyundai, for Kia, Buick, Cadillac, Chevy, Dodge, Fiat, Genesis, GMC, Isuzu, Jeep, Saab, Saturn, Suzuki, Each

Part Number: SMP-S575

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wiring Pigtails, 3-pin, Male, Black, for use on Acura®, for Hyundai, Buick, Cadillac, Chevy, Dodge, GMC, Mitsubishi, Olds, Pontiac, Saab, Suzuki, Each

Part Number: SMP-S656

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wiring Pigtails, Female, Buick, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Pontiac, Saturn, Each

Part Number: SMP-S1029

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Throttle Body Connector

Part Number: RNB-645-234

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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• Special Order

Blower Motor Resistor, Cadillac, Chevy, GMC, Each

Part Number: RNB-973-009

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Special Order

EM- A/C Heater Sw Cn

Part Number: SMP-S-1184

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Special Order

EM- Auto Lvl Cmpr Mtr Cn

Part Number: SMP-S-1340

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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• Special Order

EM- Junction Block Cn

Part Number: SMP-S-1217

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Special Order

LED Light Harness, Resistors, 921,194 Bulb Type, Kit

Part Number: PUT-240002

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air