This harness is for installing your radar detector into your 2022-2026 1500 refresh GMC Sierra. This harness saves you from splicing and/or entering pins into your trucks wiring harness.
Please select your appropriate mirror option when ordering as the harnesses are different. For those of you with the manual dim mirror(1500 models only, the harness will connect into the moisture sensor jumper harness which is also located behind the plastic windshield trim. There are some manual dim models (such as the WT and Custom Trail Boss models) that are not using a moisture sensor, if unsure, please email us your vin#, prior to ordering, and we will confirm for you.
This harness is for all radar detectors that use a phone cord style connector (RJ11).
-EXTRA LEAD OPTION-Harness also available with a separate power and ground wire for those that may want to add in a dash cam or such. Please note that these loose leads are an ignition based 12 volt feed and ground. Most dash cams and such require 5 volts and you will need to make sure and use a voltage converter if needed. This is not included with this harness.
Please type in your vin# below and we will confirm that you have selected the correct harness
WILL NOT WORK ON EV MODELS "THAT HAVE A MANUAL DIM MIRROR".
Fits 22 Refresh 1500
Fits 23-26 1500 models
Fits EV models with the auto dim or live camera mirror
Product Overview:
Install Guide: Auto Dimming Version
Shipping & Delivery Information
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⚠️ WARNING (California Proposition 65):This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.For more information, please visit www.P65Warnings.ca.gov.
