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Courtesy of: DiscountCarStereo.com Serving the internet community since 1995 AUX-GM4 QUICK START INSTALLATION GUIDE FOR GM LAN VEHICLES WITH XM TUNER MODULE...
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Many opt to repair, purchase a replacement radio or 1. Disconnect 16-pin XM plug (See Fig. 2) from radio ignore it. We decided to offer the AUX-GM4. This harness connects to the XM Note: Radios may have multiple 16-pin connectors which are “keyed”...
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Audio jack (active XM) Audio jack (expired XM) Fig. 5 Fig. 3 Audio Jack 2. Connect XM 16-pin plug to 16-pin connector on harness (See Fig. 4) 5. Optional: Drill a ¼” hole in dash or panel, push threaded end through hole 3.
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3. The aux jack on my radio is broken. Will the AUX-GM4 work? The AUX-GM4 is independent of radio aux jack. If aux jack is broken, the AUX- GM4 is a great alternative; however, your vehicle must have an XM Tuner module with or without subscription.