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Old 12-18-2016, 01:24 PM   #2
jra
 
Drives: 2015 yaris L
Join Date: Jun 2016
Location: Indiana
Posts: 77
You should have a hot and neutral-flat blades on plug, and ground is the round one. Heater should work without the ground, but you could get shocked, If something happened to heater causing it to electrifier car body ground wire should cause breaker to trip preventing you from getting a jolt when you grab the door handle to get in car. If you use it without the ground, always unplug heater from wall outlet before touching car.
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