Facts & Information

More Information about the Delco GM 2700 ETR Radio.
There are 4 multiple wire connectors that need to be properly connected. The 2 wire (brown & orange) connector supplies power to the clock and also connects the display dimmer. The Black 4 wire connector supplies power (+12 volts Yellow) Black wire is ties to the negative supply. Pink wire is switched +12V for the power antenna. Gray wire ties to the parking lights for dimmer. Blue & Clear connectors with 4 wires each are for front and rear speakers.
The GM 2700 ETR Wiring
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