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Suggestions For Block Heater Cord Quick Connect?

D

DennisG01

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Messages
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Location
Allentown, PA
I suspected my block heater wasn't working - couldn't hear it when I plugged in. I put my meter on the the two prongs (not the ground prong) at the cord end (opposite of heater) and got 8.5K. Hmmm I thought. I expected to see infinity. However, I'll admit that I don't know what it should Ohm at. Anyone know?

Still confused by this reading, and even though there's snow on the ground, I figured I should go under and check the connection at the actual heater. Guess what? The cord was sheared off at right at the plug end (the end that connects to the heater) and just hanging loose!!!! What the heck?!?! This cord is only about 4 years old. I wiggled the plug-end out and looked at it - the orange rubber was disintegrating/crumbling in my fingers!

Could the plug end have been sheared by improper engine replacement? Or, could this crumbling be considered normal? Any thoughts on that?

OK, to my original question....

I have a permanently installed (in bumper) plug-in for the heater. I'd like to avoid taking that apart - especially if these cords naturally disintegrate and I'll have to replace it again.

So, I'm thinking of using some quick-connects somewhere in the middle of the cord in a convenient location. Should I just use bullet-type connectors and shrink? Or, is this there something better? I believe the heater is about 600w - maybe 800w? If so, would 14 gauge connectors be fine (if my googling ability is up to parr, anyways:rolleyes5:)???
 
I've never seen a end that crumbled. I've seen them get mushy from oil leaking on them though. The napa heaters have heat reflective wrap on the cord but not the connecter to the heater. Only problem i've had with the cord is ME forgetting to unplug it before I drive away.:mad2::rolleyes5: Bullet with heat shrink would work for the splice. Just cut heat shrink to replace cord end next time ,if there is one.
 
I put a 2gang electrical box with plugins on my drivers side fender and then ran a cord from it out the front. That way I can just unplug if needed without havinf to reroute cord thru grill. I've never had a cord crumble either but have been known to forget to unplug once in a while. I've also seen rigs dragging cords down the road too.
 
ak diesel driver said:
I put a 2gang electrical box with plugins on my drivers side fender and then ran a cord from it out the front. That way I can just unplug if needed without havinf to reroute cord thru grill. I've never had a cord crumble either but have been known to forget to unplug once in a while. I've also seen rigs dragging cords down the road too.
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My wife has been known to do this. After saying this it will be my turn
 
NVW said:
After saying this it will be my turn
Click to expand...

Oh please, please tell me when you're going to do it... driving behind somebody and trying to drive on that dragging extension cord is more fun than playing Donkey Kong for beers...

:D
 
Yeah, weirdest thing. I thought the heater end of the cord was actually supposed to be silicone.

Oh well. At least by using the bullets it'll save me the time from replacing the permanent connection in the bumper (I have it all siliconed-up to keep moisture out). Of course, everyone knows, that as soon as I do this, the new cord will last 20 years! :smile5:
 
JiFaire said:
Oh please, please tell me when you're going to do it... driving behind somebody and trying to drive on that dragging extension cord is more fun than playing Donkey Kong for beers...

:D
Click to expand...

That's just nasty:D
 
I just left the stock block heater plug on the cord and used the end of an old extension cord(maybe 3 to 4 inches from the end of the cord) and put that into the bumper mounted Marinco plug. Works fine and no wire cutting/splicing required.
 
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iamdave0887 said:
I just left the stock block heater plug on the cord and used the end of an old extension cord(maybe 3 to 4 inches from the end of the cord) and put that into the bumper mounted Marinco plug. Works fine and no wire cutting/splicing required.
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I have a Marinco, as well. But I have the one that is hard-wired, as opposed to "open" like I think you're describing. I thought of using the one you have, but the main motivating factor for me was to get away from having the cord end constantly moved around. Granted, keeping it inside that box, like you have, is certainly a whole lot better than leaving the cord hanging.

The wiring is easy enough to re-do - it's all the silicone that I packed into the back-side of the Marinco that I want to avoid... Dig it out, then re-pack and wait for it to dry.
 
Here's the Marinco plug that i have.

MAR-11478.jpg


Sorry for the oversized photo, it's the only one i could find. On the backside of that plug, which is mounted in my bumper) i put a short(3-4 inches) of an old orange outdoor power cord rated for 15 amps. That end had the proper plug for the block heater to plug into. It's been that way for over 2 years now, and i've had no problems.

Also the orange power cord with a little electrical tape around it fits nice and tight in the back of the Marinco plug. No silicone required.

I just tucked the block heater/extension cord connection up into the front of the frame/bumper bracket on the driver's side. It's been sitting there for over 20,000 miles and hasn't moved.
 
OK, gotcha. That's the same one I have. Now I understand what you were saying about the short, orange extension cord. That's a good idea! Good idea with wrapping the cord with electrical tape, too. Just curious, though, have you ever pulled the rubber boot off and looked inside? I'm just wondering if any "crap" does make it's way in there. I'll be adding an oil pan heater soon - I may incorporate your idea.
 
DennisG01 said:
OK, gotcha. That's the same one I have. Now I understand what you were saying about the short, orange extension cord. That's a good idea! Good idea with wrapping the cord with electrical tape, too. Just curious, though, have you ever pulled the rubber boot off and looked inside? I'm just wondering if any "crap" does make it's way in there. I'll be adding an oil pan heater soon - I may incorporate your idea.
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I haven't pulled the boot off since installing it. I'll check it one of these days and post pictures but the pickup is buried in a foot of snow with drifts from the wind.

I'd like to get one of the Kussmaul Auto-Eject plugs for the blazer and mount it somewhere. That'll prevent me from ripping the cord in half...again. :eek:
 
First off, having those random pictures at the top of the page can be addicting. I was having similar thoughts as you all are chatting about. Then about two weeks ago, this photo of member "chevylover" with the Marinco plug popped up.

http://www.thetruckstop.us/forum/album.php?albumid=39&pictureid=1545

I really liked that idea but the Germany plugs were different. But after surfing the Marinco site, being a marine supplier form WI?, they cover the globe I'm sure.

Only thing that could one up this idea, is having the self recoiling cord tucked away underhood/behind grill/somewhere. Because you still have to pull out your own cord to tie up a Marinco plug to the home post, local saloon or whereever you might hold up?
 
NoDak said:
First off, having those random pictures at the top of the page can be addicting. I was having similar thoughts as you all are chatting about. Then about two weeks ago, this photo of member "chevylover" with the Marinco plug popped up.

http://www.thetruckstop.us/forum/album.php?albumid=39&pictureid=1545

I really liked that idea but the Germany plugs were different. But after surfing the Marinco site, being a marine supplier form WI?, they cover the globe I'm sure.

Only thing that could one up this idea, is having the self recoiling cord tucked away underhood/behind grill/somewhere. Because you still have to pull out your own cord to tie up a Marinco plug to the home post, local saloon or whereever you might hold up?
Click to expand...

If I remember correctly, when I had sent the Marinco unit to Sven, I also sent him an extension cord and then he just cut the end of the US cord and spliced it onto one of his.
 
ak diesel driver said:
Kussmaul Auto-Eject plugs what are these? Never heard of them.
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The Kussmaul auto eject plug is a plug with a solenoid that drives the cord side plug out when the key is turned to "start". Firetrucks, ambulances, etc use them to prevent driving away and ripping the cord in 1/2.

Some of the Kussmaul plugs are air eject and use onboard air that's triggered to pop the plug out as well.

Here's a picture of the electric version.

kussmaul-standard.jpg


http://www.slaglefire.com/equipment-kussmaul-ejectors.htm
 
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