What have you done to your CUCV today/lately - Part 2

[Tinstar]

Properly understood and maintained, the stock system works great.
If it's not broke.....don't fix it.

Mine starts every time, all the time.
Even at -3 below zero.
All stock and DH mod completed

 

[Bighorn]

The previous, Barry, installed headlight relays.
Way better.

 

[Bighorn]

I am not sure where Barry, the previous owner of my m1009, got it but There is a badazz kit on my fender in a grey plastic box containing headlight relays(hi & low) and a horn relay.
They work off the original wiring but have their own actual headlight connectors.
A thick fused, positive supply wire is fed into the grey box.
Inside a relay is wired using the original headlight wires to energize it.
Sends power to the headlights via a new connector.
Not so much amps passing through the headlight switch that way.
I'll take some pictures tomorrow.

 

[Volvo740turbo]

No.
See no reason to do so.
What would be the advantage?
By the way, I am rattling my way around Bald Mountain as we speak.
Oooo that diesel.

View attachment 699152

They like to heat up and catch fire

 

[Volvo740turbo]

They like to heat up and catch fire

They also cause glow plug issues, fry glow plug relays and melt wiring

 

[cucvrus]

I NEVER had any issues with them in over 20 years. What am I doing wrong? it can't be luck. I have multiple CUCV's all wired stock. Stock relays , batteries , glow plugs and all. I am confused where all these changes are improvements. The ones I do buy and trade I return to all stock and the issues disappear. I work out of a barn and barn yard so it is not my advanced shop and equipment. Good Luck with all these changes is all I have to say. I sold several CUCV's to guys and they bought them because they were not all hacked up. The broken record will keep playing just like it has for 30 years. Fix or replaced the failed part. Don't bypass it or redesign the system. It works well as designed.

 

[Volvo740turbo]

Well mine is a daily driver I log about 3k miles a month, maybe it comes down to usage...but my resistor failed as well as the starter relay as well as the gp relay as well as the gp card

 

[Bighorn]

I NEVER had any issues with them in over 20 years. What am I doing wrong? it can't be luck. I have multiple CUCV's all wired stock. Stock relays , batteries , glow plugs and all. I am confused where all these changes are improvements. The ones I do buy and trade I return to all stock and the issues disappear. I work out of a barn and barn yard so it is not my advanced shop and equipment. Good Luck with all these changes is all I have to say. I sold several CUCV's to guys and they bought them because they were not all hacked up. The broken record will keep playing just like it has for 30 years. Fix or replaced the failed part. Don't bypass it or redesign the system. It works well as designed.

I will measure the voltages and resistance of my system but Because I live up here at 9,000 feet and we get down to minus 30 degrees; I think I'll keep the system intact.
Not sure if my glow plugs are still operating on 24 volt though.
The previous owner did mention something about the glow plugs.
I just put new ac60g's in.
Guess I better study up and figure out if anything has been modified on my system.

 

[Volvo740turbo]

I NEVER had any issues with them in over 20 years. What am I doing wrong? it can't be luck. I have multiple CUCV's all wired stock. Stock relays , batteries , glow plugs and all. I am confused where all these changes are improvements. The ones I do buy and trade I return to all stock and the issues disappear. I work out of a barn and barn yard so it is not my advanced shop and equipment. Good Luck with all these changes is all I have to say. I sold several CUCV's to guys and they bought them because they were not all hacked up. The broken record will keep playing just like it has for 30 years. Fix or replaced the failed part. Don't bypass it or redesign the system. It works well as designed.

The stock parts are what's causing the issues...

 

[Volvo740turbo]

I will measure the voltages and resistance of my system but Because I live up here at 9,000 feet and we get down to minus 30 degrees; I think I'll keep the system intact.
Not sure if my glow plugs are still operating on 24 volt though.
The previous owner did mention something about the glow plugs.
I just put new ac60g's in.
Guess I better study up and figure out if anything has been modified on my system.

https://youtu.be/OZYeDJQUE_E

The easy way to tell if he eliminated the resistor

 

[computer54]

I am not sure where Barry, the previous owner of my m1009, got it but There is a badazz kit on my fender in a grey plastic box containing headlight relays(hi & low) and a horn relay.
They work off the original wiring but have their own actual headlight connectors.
A thick fused, positive supply wire is fed into the grey box.
Inside a relay is wired using the original headlight wires to energize it.
Sends power to the headlights via a new connector.
Not so much amps passing through the headlight switch that way.
I'll take some pictures tomorrow.

Thank you need the pictures because I need to that for my truck.

 

[computer54]

The stock parts are what's causing the issues...

It's not the stock parts going bad it's the age of the parts and it's the way we drive them .

 

[cucvrus]

If it was the way we drive them. Terminus M1009 would have failed years ago. And if you need any of the resistors from the firewall. I bought everyone I ever seen because I was told they went bad all the time. Guess what? I now have a crate full of them and never changed a one of them. Go figure. Same as glow plug circuit cards. If they had an operational circuit card in place when I bought the vehicle. it still has that card in place. When I seen issues it seemed that everything was bad. Weak/dead batteries and all the glow plugs burnt out along with the card. my observation was that the batteries were always weak and dead and they were cranked on low voltage and continued to be cranked and attempted to start on low voltage. Once I installed new group 31 batteries, glow plugs and a new circuit card everything worked out. Of course I went the extra mile and had the starter and alternators exchanged for rebuilds that I had rebuilt locally. That seemed to work on 9 out of 10. the outer 1 had more hacked up bypasses and so called improvements that were causing further issues. Once fixed that was that. Good Luck. But after many years of ownership I am not convinced the system is a failure in any way other then outdated. But it will work for ever if properly maintained.

 

[computer54]

If it was the way we drive them. Terminus M1009 would have failed years ago. And if you need any of the resistors from the firewall. I bought everyone I ever seen because I was told they went bad all the time. Guess what? I now have a crate full of them and never changed a one of them. Go figure. Same as glow plug circuit cards. If they had an operational circuit card in place when I bought the vehicle. it still has that card in place. When I seen issues it seemed that everything was bad. Weak/dead batteries and all the glow plugs burnt out along with the card. my observation was that the batteries were always weak and dead and they were cranked on low voltage and continued to be cranked and attempted to start on low voltage. Once I installed new group 31 batteries, glow plugs and a new circuit card everything worked out. Of course I went the extra mile and had the starter and alternators exchanged for rebuilds that I had rebuilt locally. That seemed to work on 9 out of 10. the outer 1 had more hacked up bypasses and so called improvements that were causing further issues. Once fixed that was that. Good Luck. But after many years of ownership I am not convinced the system is a failure in any way other then outdated. But it will work for ever if properly maintained.

You said it, and I thank you for it.

 

[Bighorn]

https://youtu.be/OZYeDJQUE_E

The easy way to tell if he eliminated the resistor

Yep, this is what the previous owner of my m1009 did or had done.
My starter is still 24 volt but my glow plugs are being run off the front battery.
The original system used the resistor to drop 24 volts to 12 for the glow plug system so that both batteries were utlitzed.
My resistor bank is gone and the glow plug relay power supply is wired to the middle of my battery bank or basically just the front battery.
Well, it is what it is.
I probably would have kept the resistor and ran the glows off both batteries.
Oddly, if you watch that video, the guy said his resistor caught fire o the highway.
How is that possible if the glow plug system isn't being used?
Sounds like something else happened to cause a short.
Looking at the schematic, there should only be a load across the resistor when the glow plug solenoid is energized.
There is really no way the resistor can overload and burn unless there is a short while the gp system is in operation or something else shorts the power wire between the resistor and glow plug solenoid.

 

[Bighorn]

Thank you need the pictures because I need to that for my truck.

View attachment 699220View attachment 699221View attachment 699222View attachment 699223

The headlight upgrade. The po put this kit in. It uses the stock headlights to power solenoids in the box to send power from the front battery to the headlights.
Also has a horn relay in there.
Everything is fused and shrink tubed.
Looks like a kit of some kind but have no idea whos kit.

The last picture shows where my 12 volt power to my glow plug solenoid is coming from.
Resistor bank is gone.

I can trace 24 volts to my starter solenoid though.
And a Doghead relay mod has been done under the dash for sure.
The wiring also looks like a kit of some kind.
Very well done.. actually better than I would have done!

 

[computer54]

Thank you for the pictures and this looks like a kit from LMC Trucks .

 

[Bighorn]

Thank you for the pictures and this looks like a kit from LMC Trucks .

It's funny when people on this site say LMC trucks; I think of Logan Manufacturing Corp.
Our big diesel snowcat is an LMC.
Logan Manufacturing became part of Delorean Motors right about the time they built our snowcat.

 

[cucvrus]

Just an observation. The rear battery tray has both batteries mounted on it and all the weight appears to be on the inner fender. I would consider getting a bit of a brace to anchor some of that weight onto the inner fender structure like they were from stock. That would take a lot of stress from the fender apron. Just an observation. Have a great day.

 

[Bighorn]

Just an observation. The rear battery tray has both batteries mounted on it and all the weight appears to be on the inner fender. I would consider getting a bit of a brace to anchor some of that weight onto the inner fender structure like they were from stock. That would take a lot of stress from the fender apron. Just an observation. Have a great day.

Thank you very much!