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GMC Sierra 3500 HD Headlight Relays

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15016745 GM Original Equipment Series Headlight Relay
AC Delco®
15016745 GM Original Equipment Series Headlight Relay
Part Number: AC15016745
Vehicle Info Required to Guarantee Fit
$39.99
Product Details
Notes : Push-in mounting typeWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment SeriesTerminal Type : Blade TypeTerminal Gender : Male TerminalTerminal Quantity : 4 TerminalsVoltage : 12 VoltsRecommended Use : OE ReplacementProduct Fit : Direct Fit
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Product Questions & Answers

AC Delco 15016745 GM Original Equipment Series Headlight Relay
$39.99
Q:I just replaced this and still can’t turn headlights off once car is on? Any ideas what’s wrong? Show Less
Steve B.
A:BEST ANSWERHello! I would recommend finding wiring diagrams for your vehicle and tracing the trigger wire for this relay. It sounds like there is a short, causing the relay to stay activated. Do the lights turn off when you pull out the relay? Show less
Mitchell D.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

Bad Headlight Relay Symptoms and FAQ
Bad Headlight Relay Symptoms and FAQIn a typical computer-controlled headlight circuit, two relays—one for the high beams and one for the low beams—control the headlights. Some vehicles also have a third headlight relay to activate the daytime running lights (the dimly lit headlights that automatically come on during the day). A relay is basically an electromagnetic