This is topic ☆Cardone "HOT BOX" GM tester☆ in forum non-automotive classifieds at Northern California Ford Owners  .

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Posted by MUSTTANGUY (Member # 2251) on :
Hot Box test all the relays solenoids, motors and injectors that are connected to the GM ECU. Test for short or partially short circuts.Identifieys deffective circuit.
Simply unplug computer and plug harness connectors into Hot Box to test.
Confirm system BEFORE plugging in your computer and possibly damaging it. $100
Selling some excess shop equipment

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