LOC-GMH3 - Uncategorized AXESS - Free user manual and instructions
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| Product Type | Line Output Converter / Interface |
| Compatible Vehicles | Select General Motors models |
| Input Type | Speaker-level signal |
| Output Type | RCA preamp outputs |
| Chime Retention | Yes |
| Power Supply | 12V DC vehicle electrical system |
| Dimensions (approx.) | 3.5 x 2.5 x 1.0 inches |
| Weight (approx.) | 0.3 lbs |
| Main Functions | Convert speaker-level to line-level, retain vehicle chimes and warning tones |
| Installation | Plug-and-play with compatible harnesses |
| Cleaning & Maintenance | Wipe with dry cloth; avoid moisture |
| Safety Precautions | Disconnect vehicle battery before installation |
| Spare Parts | Not applicable; unit is not serviceable |
| Warranty | 1 year limited warranty |
Frequently Asked Questions - LOC-GMH3 AXESS
What is the AXESS LOC-GMH3 used for?
The LOC-GMH3 is a line output converter that allows you to connect an aftermarket amplifier or head unit to a factory GM stereo system while retaining chimes and warning tones.
Which vehicles are compatible with the LOC-GMH3?
It is compatible with select General Motors vehicles including many Chevy, GMC, Buick, and Cadillac models from the early 2000s. Check the wiring guide for your specific vehicle.
Does the LOC-GMH3 retain factory chimes?
Yes, the converter is designed to retain factory chimes such as door ajar, seatbelt reminders, and turn signal clicks.
How do I install the LOC-GMH3?
Disconnect the vehicle battery, then connect the converter between the factory stereo harness and the aftermarket radio using the provided wiring. Follow the color-coded wiring diagram in the manual.
What input signal does the LOC-GMH3 accept?
It accepts speaker-level input from the factory stereo and outputs low-level RCA signals for an aftermarket amplifier.
Can I use the LOC-GMH3 with a non-GM vehicle?
No, the LOC-GMH3 is specifically designed for General Motors vehicles and may not work correctly with other brands.
What should I do if I don't have sound after installation?
Check all wiring connections, ensure the blue/white remote turn-on wire is connected to the amplifier, and verify the factory chime module is properly harnessed.
Does the LOC-GMH3 require external power?
It draws power from the vehicle's 12V accessory or battery wire; no separate power supply is needed.
What is the output voltage of the RCA preouts?
The output voltage is typically around 200 mV to 2V depending on the input signal level.
Is the LOC-GMH3 compatible with Bose factory systems?
Yes, it works with Bose and non-Bose factory systems, but ensure the correct harness is used for Bose-amplified setups.
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