GMC 3500 Electrical Wiring

Stoplight Switch, OEM Replacement, Each

Part Number: SMP-SLS66

3.78 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Modules, LED, Each

Part Number: PPP-20-702

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Switch, OEM Replacement, Dimmer, Each

Part Number: SMP-DS72

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Headlight Switch, T-Series Headlight and Dash Light Dimmer Switch, Stock Actuation Style, Aluminum/Plastic, Buick, Cadillac, Chevy, Pontiac, Each

Part Number: SMP-DS155T

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Brake Light Switch, Push Button Actuation, Plastic, White, AMC, Chevy, Chrysler, Ford, GMC, Jeep, Saab, Each

Part Number: SMP-SLS66T

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Wiring Pigtails, 5-pin, Male, Buick, Cadillac, Chevy, Geo, GMC, Oldsmobile, Opel, Pontiac, Each

Part Number: SMP-HP4520

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Relay, Stock, 12 V, Blade/Screw, 3 Male Terminals, Each

Part Number: SMP-HR117

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Wiring Pigtails, 5-pin, Male, Black, Buick, Cadillac, Chevy, Geo, GMC, Oldsmobile, Opel, Pontiac, Each

Part Number: SMP-S606

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Electrical Relay, 12 V, Blade Terminal Type, Buick, Chevy, Cadillac, GMC, Oldsmobile, Pontiac, Each

Part Number: SMP-RY8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Harness Connector

Part Number: FSS-37203

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air