Summary of Contents for GM BT3-GM1
- Page 1 Courtesy of: DiscountCarStereo.com Serving the internet community since 1995 BT3-GM1 BLUETOOTH HANDS-FREE, STREAMING INSTALLATION GUIDE FOR SELECT 1995-05 GM Created August 16, 2024 Revised May 26, 2025...
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Page 2: Installation
1. Remove factory radio from dash (Vehicle specific radio removal procedures are not part of this guide but may available upon request) Your older GM still runs great but does no support modern media formats. If the Disconnect factory 9-pin plug from radio (See Fig. 2) original radio is still installed and looking to upgrade to Bluetooth;... - Page 3 Visor microphone Fig. 5 Fig. 2 4. Connect installation harness 9-pin plug to radio 9-pin socket vacated in step 2. (See Fig. 3) Fig. 6 9. Connect installation harness 16-pin plug (See Fig. 7) to module 16-pin connector (See Fig. 8) Fig.
- Page 4 Optional USB extension cable installation Note: 1. Optional USB dash mount extension cable is not required for operation, however it extends USB charging port (See Fig. 11) to dashboard, glovebox etc. 2. The USB port supports charging only Drill a ¾” hole to dash or panel using a step drill bit or equivalent (See Fig. 9) As an alternative;...
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Page 5: Bluetooth Operation
(See Fig. 19) Fig. 19 9. Use radio volume knob to adjust phone call playback level. Note: Some smartphones include settings for call volume. Please ensure this setting is not turned “OFF”. Fig.16 GM separate players (CD, Tape) - Page 6 BTA-GM1 which requires and retains separate/slave unit in lower dash (See Fig. 16) 5. When I decide to remove the BT3-GM1, will I have wiring issues? the BT3-GM1 plug-n-play harness does not interfere with factory wiring Fig. 21 integrity. Once disconnected the system will function as it did prior.
- Page 7 • We’re not liable for misuse of this product. power the BOSE amplifier resulting in no sound from any source. •We recommend professional installation. 10. I purchased the BT3-GM1 but could not install it because my radio has a Email support@discountcarstereo.com “SOURCE”...
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