I feel silly - No power to Glow Plugs BJ42 3B

[RufusTheDufus]

Keep in mind that in my photos I don't have the superglow bar in place. I think this jumper piece would go under the top rubber isolation mounting pad on the superglow bus bar. Otherwise it would be a short to ground.

It should be easy to reproduce with some 8 gauge or 6 gauge stranded wire. It's got to be hefty wire since this thing looks like it's designed to carry a lot of current.

[RufusTheDufus]

That looks like it.

[dmbgo]

Well its marvelous what a difference 20/20 hindsight makes. It is now ridiculously obvious that Rufs' solution was the right one. I manufactured the correct link, stuck the multimeter between the glow plugs and ground and got my wife to turn the key on and..............7.5v on the glow plugs while glowing for 3 secs.................... tried to start...... 2nd time over compression and brrrm............ kept watching the meter, voltaged dropped to 4v for 40 secs, then 0v - glow plugs off.
Repeated test with same results.

My sincere thanks to Rufus, Tom and everyone else who went to so much trouble to help me with this.

Regards
Dave

Picture of correct setup below

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[RufusTheDufus]

That was fun. Happy to help. I'm still learning all of this diesel cruiser stuff.

[beejay42]

Great news, and nice quick work on that link.
(you've accomplished more than I have today)

Now all you need to do is post a few photos of your truck

Gotta get busy now.

Later,
Hans.

[dmbgo]

One last thing, Rufus, you said it looks like it's designed to carry a lot of current - in the manual I think it says 80 to 90 amps, so you cant use a piece of ordinary flex for this link (mine is actually the metal plate that covers the expansion card slots in a PC case).

[Joe Egolf]

GREAT , Mud is so cool.I wish more guys posted solutions and pics.Looks like you have some blow by from dip stick tube??

[lostmarbles]

Originally Posted by beejay42

.......Now all you need to do is post a few photos of your truck..........Hans.

x2 ----- And I'd like to know some of its history Dave - like what market it was manufactured for. (I wonder if all 1984 12V BJ42s got the superglow feature?)

I guess those must be 6V plugs that you're running with your superglow. Most of the people on MUD owning 12V BJ42s (where I can recall them mentioning it) don't have the superglow feature and run 8.5V plugs with a few even running 10.5V plugs. (I haven't seen any written justification - in the EPC for instance - for running 10.5V plugs in a manual-glow BJ42 but that is not to say that these people are wrong - I'm still learning.)

Originally Posted by Joe Egolf

GREAT , Mud is so cool.I wish more guys posted solutions and pics.........

I agree. A picture is worth a thousand words as they say. And they

• help tremendously in preventing misunderstandings from occuring
• help other anonymous viewers (who own similar vehicles) to solve their own problems that may not even be directly connected with this one
• provide immense "interest value" to people like me who simply want to learn more about vehicles that are "similar to" ...but at the same time ...."different from" mine.

[brisveganbj42]

just adding my 2c.

i have had this problem when i have knocked out the crimped+fusible links for the glow circuit.. if i glow for the usual time and it doesnt start after being under the hood then it's the first thing to check..

i have an 1984 bj42 and have recently replaced the glow plugs this winter, not sure with what voltage. was great once they had been swapped over.

[dmbgo]

I agree, and photos save a lot of typing! I am not sure about the blow by from the dipstick, there is probably some deisel on it, since I cracked the injector nuts to make sure I didn't have air in the lines before I started on the glow plugs, but I will have to test the compression now that you've mentioned it Joe.

Tom I think mine was made for the Australian market. It has its dickie seat and a green digital clock. I am thinking of adding a cd player! I have added pictures of the compliance plates etc below, as well as a pic of the car as it sits under the carport. I am onto fixing the rust now.

BrisVegan, I didnt think you needed glow pugs in Qld. You dont know what winter is minus 5 here the other morning.

Pics follow:
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