Quote:
Originally Posted by compress ignite
1. Plug in for 3-5 hours,get in MB, insert key, turn to "Run" ...Is engine at
operating temperature? If so it works.
2.More difficult...With DMM set to "Continuity Test" apply leads to poles of female block heater plug.[Then you can do #1 to double check]
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Ohmmeter across the MALE block heater plug (review your birds and bees Compress!) Should read about 28 ohms.
Voltmeter/Ohmmeters are $2.99 on sale at Harbor Freight. Everyone should have one