Hook n ladder 1 Posted January 14, 2016 Share Posted January 14, 2016 Is there a fuse or circuit breaker for the engine heater? It's a 98 CH613....This is the first time since ive owned the truck ( 8 years) that I've plugged in the engine heater. It didn't seem to work.Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/43514-engine-block-heater/ Share on other sites More sharing options...
hatcity Posted January 14, 2016 Share Posted January 14, 2016 most block heaters were powered straight from a 110 sourcenothing in the motor like a fuse, etc.1) electric outlet has power2) plug ends are clean3) broke wire4) bad unitI tested mine running a generator-could hear the motor surge when I plugged it in Quote Success is only a stones throw away.................................................................for a Palestinian Link to comment https://www.bigmacktrucks.com/topic/43514-engine-block-heater/#findComment-319990 Share on other sites More sharing options...
IH Farms 2 Posted January 15, 2016 Share Posted January 15, 2016 Might want to try changing the plug end. Have had those go bad Quote Link to comment https://www.bigmacktrucks.com/topic/43514-engine-block-heater/#findComment-319998 Share on other sites More sharing options...
Joseph Pickarts Posted January 15, 2016 Share Posted January 15, 2016 I'd second that. The cord is much easier to change than the element. Believe me I just ordered an element and it ended up being the cord. Quote Link to comment https://www.bigmacktrucks.com/topic/43514-engine-block-heater/#findComment-320018 Share on other sites More sharing options...
MHfred Posted January 15, 2016 Share Posted January 15, 2016 If it is like my 89 MH then can use any cord that will fit into the round hole for the heater. If that is like yours make sure you have the cord pushed onto the prongs good. Quote Link to comment https://www.bigmacktrucks.com/topic/43514-engine-block-heater/#findComment-320054 Share on other sites More sharing options...
Hook n ladder 1 Posted January 15, 2016 Author Share Posted January 15, 2016 Thanks for the info. Quote Link to comment https://www.bigmacktrucks.com/topic/43514-engine-block-heater/#findComment-320103 Share on other sites More sharing options...
blackdog2 Posted January 16, 2016 Share Posted January 16, 2016 Check for continuity to see if is burnt out ? That old probably is bad also check anti-freeze . Quote Ed Link to comment https://www.bigmacktrucks.com/topic/43514-engine-block-heater/#findComment-320155 Share on other sites More sharing options...
Hook n ladder 1 Posted January 20, 2016 Author Share Posted January 20, 2016 I cleaned off the prongs on the plug, they had alittle corrosion on them. So then the truck sat for 5 days in -5 degree temps. When I jumped in to start... she turned over, spit and sputtered for about 3 attempts, and fired on the 4th attempt. I don't know if the heater was working beacuse A. the winchill was -30 degrees and B. I was too damn cold to reach in and feel the motor. Also the hood latches were frozen.So I'm guessing it may have been working.Again thanks for the info. Quote Link to comment https://www.bigmacktrucks.com/topic/43514-engine-block-heater/#findComment-320787 Share on other sites More sharing options...
Dirtymilkman Posted January 20, 2016 Share Posted January 20, 2016 Use an ohm meter, put the test leads on the to flat blades on the plug. Quote Link to comment https://www.bigmacktrucks.com/topic/43514-engine-block-heater/#findComment-320789 Share on other sites More sharing options...
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