1994.5 - 1997 7.3L Power Stroke Diesel  

block heater plug

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Old 05-04-2011, 05:43 PM
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block heater plug

I plugged my block heater in last night and came out this morning and the plug was super warm and the plastic was soft and plyable. The metal prongs wiggled (didn't think that was good at all) someone said that it had the possiblility of a grounding problem. I didn't have the time to chase it down this morning. But I've never had any troubles with it before
 
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Old 05-04-2011, 06:53 PM
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Humm, could follow the line back to heater on block. If you find the wire is all in good shape, cut the plug off and replace it. Especially if its original.
 
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Old 05-04-2011, 06:56 PM
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Ya, inspect it and replace the cord or cord end if necessary, My block heater pulls 8 amps and many here would say 3 hours plugged in would do...anything longer may be just run up your electric bill.
 
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Old 05-04-2011, 07:51 PM
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If there is a ground issue, it shouldn't pull any amps at all. Mine wasn't working over the winter due to the fact that the ground wire was corroded about 10" back up the line. I cut out the bad and soldered in a new wire/new plug and all is well. If you have a warm plug I'm willing to bet you have a bad plug, hot and or nuetral wire thats bad. I hope this helps and that sucks you are still plugging your truck in May!
 
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Old 05-04-2011, 09:15 PM
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heres something that may help [/IMG]
 
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Old 05-05-2011, 05:02 PM
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Thanks for the help guys. it looks like the original plug so that's another thing on the to do list, feels like I never have enough time in the week to work, go to school, and look over the truck. It does suck kuz I am almost positive injector o rings are bad kuz she smokes blue at startup near every time and I think I have a few gps bad. Just can't wait for summer
 
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Old 05-08-2011, 11:19 AM
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Okay fellow FTE members followed the block heater plug and nothing is grounding to the frame, so that's a good thing. I actually never knew where the heater plugged into until now. Where it goes into the block it's kinda rusty ( micigan truck that used to plow snow). The majority of the plug is wrapped in the plastic wire cover, so could it still ground on the other wires? For now looks like I just need to replace the plug.
 
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Old 05-08-2011, 11:31 AM
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I would just replace the plug end. More than likely there is a poor connection that is creating the heat in the plug.
 
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