When do spark plug wires need to be replaced?

The lifespan of spark plug wires varies based on factors including the climate and driving habits, but they generally last about 60,000-100,00 miles. Periodic replacement helps maintain the engine’s performance.

What are signs spark plug wires should be replaced?

Common signs of wear can include a rough-running engine, possible misfires and even hard starting. Acceleration can be affected and fuel economy can decline. Visually, cracks or fraying of the wires are signs replacement is needed.

Are all spark plug wires the same?

No. Material composition and design can vary widely, resulting in varying levels of conductivity, durability and electrical interference suppression. GM Genuine Parts and ACDelco Gold Spark Plug Wires meet GM factory specifications.

Do battery cables need to be replaced often?

Generally, battery cables don't need periodic replacement, but they are subject to corrosion and other forces of wear that can affect their performance. This is especially true in climates of high humidity, where the roads are salted in the winter.

What are signs of the battery cables need to be replaced?

If loose connections are ruled out, hard starting, a failure to start and other intermittent electrical issues are common signs the battery cables should be checked for corrosion and other signs of wear.

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GM Genuine Parts 15-8240 (14089936) Multi-Purpose Relay

GM Genuine Parts 15-8240 (14089936) Multi-Purpose Relay

Product ID: 21524280

Details

Brand
GM GENUINE
Connector Type
Screw
Contact Material
Silver
Contact Type
Normally Open
Mounting Type
Panel Mount

⚡3-Terminal Screw Connector

🔩Silver Contact Material

🛠️OE Spec Panel Mount

Description

⚡ Power up your ride with GM’s trusted relay – reliability you can’t afford to miss!

TRUSTED GM QUALITY - ACDelco manufactured, delivering the durability and service life you expect from GM genuine parts.
PRECISION GM OE FIT - Engineered to match original GM specs for seamless integration and peak performance.
DURABLE SILVER CONTACTS - Silver contact material ensures superior conductivity and long-lasting reliability.
EASY PANEL MOUNT INSTALLATION - Screw connector and panel mount design for quick, secure setup without hassle.
VERSATILE MULTI PURPOSE RELAY - Designed for multiple A/C system applications, enhancing your vehicle’s electrical efficiency.

The GM Genuine Parts 15-8240 Multi-Purpose Relay is a GM OE-spec replacement relay designed for multiple A/C system applications. Featuring a 3-terminal screw connector, silver contacts for enhanced conductivity, and a panel mount design, it ensures reliable, durable performance and easy installation. Manufactured by ACDelco, this relay guarantees the quality and fit of original GM components, making it the go-to choice for maintaining your vehicle’s electrical system integrity.

Specifications

ASIN	B000C9FJQY
Best Sellers Rank	#2,852,269 in Automotive ( See Top 100 in Automotive ) #990 in Automotive Replacement Relay Control Module Relays
Brand Name	GM GENUINE PARTS
Connector Type	Screw
Contact Material	Silver
Contact Type	Normally Open
Customer Reviews	4.5 4.5 out of 5 stars (216)
Global Trade Identification Number	00036666284614, 30036666284615
Included Components	Wiring Relay
Item Type Name	Wire & Cable Other - GM,Wire & Cable Other - GM
Item Weight	0.2 Pounds
Manufacturer	ACDelco
Model	15-8240
Mounting Type	Panel Mount
Number of Terminals	3
Operation Mode	Automatic
Part Number	15-8240
Specification Met	OE
UPC	036666284614
Unit Count	1.0 Count
Warranty Description	24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details.

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