{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2003 GMC Sierra 3500
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Guaranteed to Fit2003 GMC Sierra 3500 Change Vehicle

4-Seasons®
2003 GMC Sierra 3500 - 4-Seasons OE Replacement Wiring Harness - Direct Fit, Sold individually

Tap image and pinch to zoom.
$11.49
$42.06Save: $30.57(73%)
Manufacturer #37222
Guaranteed to Fit2003 GMC Sierra 3500 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
2003 GMC Sierra 3500
All Submodels
All Engines
with Round Connector

Highlights

Part:
Wiring Harness
Brand:
4-Seasons
Notes:
Connector for 2 terminal pressure switches; For use with part numbers 35974, 36662
Warranty:
120-day 4-Seasons limited warranty
Quantity Sold:
Sold individually
Prop 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.

Product Fit:
Direct Fit
Series:
4-Seasons OE Replacement
Fitnotes:
with Round Connector

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1977 Buick Century
Base
6 Cyl 3.8L
Coupe
1977 Buick Century
Base
8 Cyl 5.7L
Sedan
1977 Buick Century
Base
8 Cyl 5.0L
Sedan
1977 Buick Century
Custom
8 Cyl 6.6L
Coupe
1977 Buick LeSabre
Custom Sport
8 Cyl 4.9L
Coupe
Page 1 of 120 | Showing 1 - 5 of 599 results

Product Information

When it comes to selecting a reliable source for your electrical system's wiring harness, trust 4-Seasons. 4-Seasons's line of OE equivalent replacement wiring harness is specially developed to work like the original item that came installed in your vehicle as it was freshly released from the production line, therefore giving it with perfect fitment and good overall functionality. Each 4-Seasons OE Replacement Wiring Harness, in an effort to perform this production task, is made within precise standard.

For safer or pleasant travel, frequent vehicle check-up is required. Replacing defective automotive components can help you bring back drive comfort and general vehicle capabilities, save petrol, or avoid sudden automotive or component failure. Purchase 4-Seasons OE Replacement Wiring Harness to restore your electrical system to its optimum shape.

Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

0
I need the driver side window harness for a 2010 Chevy traverse lt?L O.Jan 15, 2023
Best Answer:Hi L O, thank you for reaching out. We don't have a window harness for the 2010 Chevrolet Traverse LT. We suggest you get those from the local auto parts store or dealership. Have a nice day.
Aldrin P.STAFFJan 15, 2023
0
I need the driver side harness for the blinker & parking lights to a 2006 Chevy Silverado ?Tamiro H.Nov 16, 2022
Best Answer:Hi Ramiro, I'm glad to assist you. Unfortunately, we don't have them available. We suggest checking the local part stores around your area on what they have available to offer you. I hope this helps, and we thank you for inquiring.
Arnel E.STAFFNov 16, 2022
0
Is there a wiring harness just for engine ignition? The rest of the harness is fine, when another engine was installed, wires were melted for the ignition 1985 c10 Scottsdale 4.3 v6WoodyApr 14, 2021
Best Answer:Hi Joseph, I'm glad to help you out. We suggest getting the ignition wire locally through a local auto supply store. Should you want to check for universal wiring harness, click the link below for options: <a href="https://www.carparts.com/search?q=wiring_harness&vehicle[year]=1985&vehicle[make]=Chevrolet&vehicle[model]=C10&vehicle[submodel]=Scottsdale&vehicle[cylinders]=6&vehicle[liter]=4%2E3&can=CPAP3648" target="_blank">https://www.carparts.com/search?q=wiring_harness&vehicle[year]=1985&vehicle[make]=Chevrolet&vehicle[model]=C10&vehicle[submodel]=Scottsdale&vehicle[cylinders]=6&vehicle[liter]=4%2E3&can=CPAP3648</a> I hope this helps. Happy shopping.
Aldrin P.STAFFApr 14, 2021
0
I ordered a wiring harness for the front headlight driver side and it was too short. I need a harness that is about 15 inches long?A shopperMar 18, 2021
Best Answer:Hi, In as much as I would want to help you, I do not have the complete vehicle information to work on. You can do a manual check for the availability and fitment - On the Homepage, please enter (complete) your vehicle’s year, make, model, sub-model, and engine size. Type the part's name in the search box. Once your application is selected, you’ll see a “Guaranteed to Fit” badge if the part will fit, and we recommend that you also double-check Your Vehicle Fit Details as well as the Vehicle Fitment Information table on the product page.
Grace G.STAFFMar 18, 2021