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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D1539J Brake Light Switch

Product ID: 72064891

Details

Operation mode
ON-OFF
Current rating
20 Amps
Operating voltage
5 Volts
Contact type
Normally Open
Connector type
Crimp
Brand
ACDelco

⚡20 Amps current rating

🔌Plug-in connector type

🛠️OE-spec fit & durability

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₩130966

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚦 Stop guessing, start driving with confidence!

TRUSTED GM DURABILITY - Backed by GM Genuine Parts quality with a 12-month/12,000-mile warranty for peace of mind.
ROBUST 20 AMP CAPACITY - Handles high electrical loads effortlessly, ensuring reliable brake light activation.
PLUG PLAY INSTALLATION - Simple plug-in connector design for quick, hassle-free replacement.
PRECISION OE ENGINEERING - Manufactured to exact GM specifications for flawless fit, form, and function.
INSTANT CRUISE CONTROL REVIVAL - Fixes cruise control glitches in minutes—no more annoying warning lights.

The GM Genuine Parts D1539J Brake Light Switch is a precision-engineered, OE-spec replacement part designed to seamlessly integrate with your vehicle’s electronics. Featuring a robust 20 Amp current rating and a convenient plug-in connector, it ensures reliable brake light activation and resolves cruise control issues swiftly. Backed by GM’s trusted quality and a 12-month warranty, this switch delivers durability and performance that professional drivers demand.

Specifications

ASIN	B001KSGJKQ
Actuator Type	Plunger
Best Sellers Rank	77,310 in Automotive ( See Top 100 in Automotive ) 89 in Car Brake Light Switches Switches
Brand	GM GENUINE PARTS
Circuit Type	1-way
Colour	Black
Connectivity Protocol	Wi-Fi
Connector Type	Plug In
Connector type	Plug In
Contact Material	Metal
Contact Type	Normally Open
Contact type	Normally Open
Control Method	Touch
Controller Type	Push Button
Current Rating	20 Amps
Current rating	20 Amps
Customer Reviews	4.8 out of 5 stars 4,578 Reviews
Included Components	25981009
International Protection Rating	IP00
Item Dimensions	9.9 x 5.3 x 2.3 centimetres
Item Type Name	Brake Light Switch
Item Weight	0.09 Pounds
Manufacturer	ACDelco
Material	Plastic
Model Number	D1539J
Mounting Type	Through Hole Mount
Number of Items	1
Number of Positions	2
Operating Voltage	5 Volts
Operating voltage	5 Volts
Operation Mode	ON-OFF
Operation mode	ON-OFF
Product Warranty	12 Months / 12,000 Miles (Parts Only)
Specification Met	oe
Switch Type	Push Button
Terminal	Blade
UPC	707773543177
Unit Count	1.0 count

Reviews

M**Y

Cruise control fixed in 10 minutes!

Cruise control light activates with no action? Its the brake switch! Ordered this genuine GM deco replacement and instantly cruise control works again. HIGHLY recommend DELCO parts. Very happy!!!

25.05.2025

E**O

Bueno

Buen funcionamiento y materiales de buena calidad

11.05.2025

I**H

This fixed my cruise control problem

Works perfectly....where 2011 GMC Sierra cruise control couldn't be engaged....suspected got to do with brake light switch sensor...gave this switch a try...after fixing the this brake light switch onto my car, now my cruise control works like normal.

28.01.2026

J**N

Perfect for my 08 Yukon

Easy install (thank you youtube), fixed my cruise control problem (and probably my brake lights too). Definitely GM OEM. Affordable, effective fix.

19.01.2026

S**M

عملت بشكل جيد

رائع كان عندي مثبت السرعة لايعمل تاهو ٢٠١٠ وغيرت القطعة الخربانة بهذي اللي طلبتها من امازون وعملت بشكل جيد

11.04.2025

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TrustScore 4.5 | 7,300+ reviews

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1 month ago

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3 weeks ago

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