2019-2022 New Body GMC Sierra Radar Detector Wiring Harness and 23 HD models
- Mirror Type:
- Models with Auto-Dimming/live view Mirror without extra leads(900000)
The 2019-2022 New Body GMC Sierra Radar Detector Wiring Harness and 23 HD models is a plug-and-play wiring solution built specifically for the T1 Gen (2019–2024) GMC Sierra HD. No cutting, splicing, or professional installation required — simply connect to your existing factory harness connectors and go.
This harness is for installing your radar detector into your 2019-2022 new body GMC Sierra 1500 or 20-23 HD models.
This harness saves you from splicing and/or entering pins into your trucks wiring harness.
We have a harness that will work on all 2019-2022 1500 models as well as 20-23 HD models.
For those of you with the manual dim mirror, the harness will connect at the fuse block instead of at the mirror itself.
This harness is for all radar detectors that use a phone cord style connector(RJ11).
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 select your appropriate mirror option when ordering as the harnesses are different.
- Please note that these loose leads are an ignition based 12 volt feed and ground.
- Please type in your vin# below and we will confirm that you have selected the correct harness Product Overview: Manual Dimming Overview Install Guide: Installation Instructions 2019 manual dim
Please verify your specific model year and trim before ordering. Some harnesses are built to order — review all options carefully.
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