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Does anyone have a wiring diagram for the Escort 8500 telephone jack? I want to hard wire my detector through the dome light recess, but I don't want to pay Escort $30 for a glorified telephone cord. I just need to know which wires do what...
 

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I'm pretty sure that you would want the "glorified" cord. It probably changes the voltage from 11-14 volts to maybe 3 volts? Take a multimeter and see what the output is from your cig lighter.

If you want, you can take apart your sig lighter and hardwire that into your car (ground and power). That's probably the safest way to hardwire it w/o buying the escort kit.
 
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