What are the symptoms of a bad ignition coil?

A failing ignition coil can cause several symptoms, including the “Check Engine Light” appears, engine misfires, difficulty starting the vehicle, reduced fuel economy and loss of power during acceleration.

How often should spark plugs be replaced?

Spark plug replacement intervals depend on the type of spark plug and the vehicle’s engine. Refer to your vehicle’s Owner’s Manual for more information.

How can I tell if my distributor cap and rotor need replacing?

Distributor caps and rotors typically need replacement when you notice engine misfires, difficult vehicle startup, reduced engine performance, corrosion or carbon tracking on the cap, or cracks or wear on the rotor.

What is the difference between glow plugs and spark plugs?

Glow plugs are used in diesel engines to preheat the combustion chamber for a cold start. Spark plugs are used in gasoline engines to ignite the air and fuel mixture.

Does the "Service Engine Soon" light tell me when my vehicle needs a tune-up?

No. The "Service Engine Soon" light comes on when the vehicle’s computer detects a minor malfunction, an engine emissions issue or that routine maintenance is needed. For more information, refer to your vehicle owner's manual.

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GM Genuine Parts D1539J (25981009) Brake Light Switch

GM Genuine Parts D1539J (25981009) Brake Light Switch

Product ID: 3855465

Details

Brand
GM GENUINE
Connector Type
Plug In
Contact Type
Normally Open
Current Rating
20 Amps
Item dimensions L x W x H
3.9 x 2.1 x
Material
Plastic

⚡20 Amps current rating

🔌Plug-in connector type

🛠️OE-spec fit & durability

49043CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Stop with confidence—GM Genuine Parts keep you ahead of the curve!

BACKED BY GM WARRANTY - 12 months / 12,000 miles coverage for peace of mind on every drive.
EFFORTLESS INSTALLATION - Plug-in connector and through-hole mount design for quick, hassle-free replacement.
DURABILITY YOU CAN TRUST - Built to GM’s rigorous standards ensuring long-lasting performance and reliability.
PRECISION OE ENGINEERING - Seamlessly integrates with your GM vehicle’s electronics for flawless brake light activation.
OPTIMIZED SAFETY COMPLIANCE - Maintains original factory safety standards to keep you and your vehicle protected.

The GM Genuine Parts D1539J Brake Light Switch is an OE-spec replacement designed to perfectly fit GM vehicles. It features a 20 Amp current rating, plug-in connector, and a durable hinge lever actuator. Engineered and tested to meet GM’s strict quality standards, it ensures reliable brake light activation and safety compliance. Backed by a 12-month/12,000-mile warranty, this switch offers professional-grade performance and peace of mind.

Specifications

ASIN	B001KSGJKQ
Actuator Type	Hinge Lever
Best Sellers Rank	#27,652 in Automotive ( See Top 100 in Automotive ) #81 in Automotive Interior Switches
Brand Name	GM GENUINE PARTS
Circuit Type	1-way
Color	Black
Compatible Devices	GM vehicles
Compatible with Vehicle Type	car
Connectivity Protocol	X-10
Connector Type	Plug In
Contact Material	Gold Or Silver
Contact Type	Normally Open
Control Method	Touch
Control Type	mechanical
Controller Type	Push Button
Current Rating	20 Amps
Customer Reviews	4.8 4.8 out of 5 stars (4,818)
Included Components	25981009
International Protection Rating	IP00
Item Dimensions	3.9 x 2.1 x 0.9 inches
Item Type Name	Brake Light Switch
Item Weight	0.01 Ounces
Manufacturer	ACDelco
Material Type	Plastic
Model	D1539J
Mounting Type	Through Hole Mount
Number of Items	1
Number of Positions	2
Operating Voltage	5 Volts
Operation Mode	manual
Part Number	25981009
Smart Home Compatibility	Not Smart Home Compatible
Specification Met	Oe
Switch Type	Push Button
Terminal	Blade
UPC	707773543177
Unit Count	1.0 Count
Warranty Description	12 Months / 12,000 Miles (Parts Only)

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