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Well the device I originally found was $150 and only good for 10A, so I found one of these for $50 which I will wire into the supply line from the PCB and protect all the circuits fed from that point, good for 150A load and clamps at 31V. NORTHERN TECHNOLOGY 24V SURGE PROTECTOR DCB-24SM

Well the device I originally found was $150 and only good for 10A, so I found one of these for $50 which I will wire into the supply line from the PCB and protect all the circuits fed from that point, good for 150A load and clamps at 31V. NORTHERN TECHNOLOGY 24V SURGE PROTECTOR DCB-24SM

Haldex sent me here: Martin, Windward Enterprises continues to stock and warehouse the M939 Brake Stabilization spare parts. The parts include all of the major components such as the ECU, Relay Vales, Air Dryer, Sensors, Exciters etc. Best Regards, Jim McMath Windward Enterprises 516...

I found this on the web, funny it's a company localish to me! http://www.hdm-sys.com/pdf/hdm_vtp10-24_specs.pdf I have a call in to the vendor for pricing and a call into Haldex to find out what the current draw is with both valves on (modulating.)

Possible Protection 'Brick' I found this on the web, funny it's a company localish to me! http://www.hdm-sys.com/pdf/hdm_vtp10-24_specs.pdf I have a call into the vendor for pricing and a call into Haldex to find out what the current draw is with both valves on (modulating.)

Mike, Thanks for that, did you ever take one apart? M.

From the conversation I had, it would seem that the protection diode fails, so that would point to opening up the PCB and replacing it (diode), I have never opened a PCB up, I think there may well be some threads related to the PCB that may help.

In the engine bay on the firewall drivers side, rectangular black box.

I have a thread in the 5 Ton Mods forum specifically addressing adding better protection, just need a few experts to validate my idea. http://www.steelsoldiers.com/5-ton-mods-hot-rodding/91110-abs-ecu-protection-ideas.html

I have a blown ABS ECU, probably due to incorrrect shutdown sequence see http://www.steelsoldiers.com/5-ton-up/90856-blown-abs-ecu-how-not-do-etc.html So I was thinking of adding a DC-DC converter to power the two feeds to the ECU and therefore adding considerably more and better protection...

So, I may have blown up my ABS ECU in my M923. In talking with a guy at Haldex who it turns out, put together the kit for the MWO for the ABS on the M939 Series truck. He told me that if the truck is shutdown incorrectly it’s likely that you will send a 100V+ spike down the 24v line and fry the...

I found some of these for the M939 trucks with ABS, this includes the modulating valve assembly and ECU. HALDEX 2530-01-478-7377 BRAKE ABS BLACK BOX POWER ECU PM if you want to know where and how much so as to comply with the rules.

Exactly, insurance is about $200 yr and reg is $25. That's why it's good to have a truck that's 25+ years old so you can put Antique plates on it.

Trailer had ramps, drove it off.

So Wednesday I get a phone call to tell me the truck should be dropped off that night. Quickly went to the insurance co. and got the forms I needed, RMV-1 and Antique plate form. The registry was a zoo and I was not sure I would make it before they closed. As luck would have it, I ended up...

Well I decided to have the truck transported. After considering the total cost / risk of a DIY recovery versus transporting I chose the latter. I tried U-Ship but got a better deal via a recommendation from SS member, digger09, I am using these guy's who have experience of moving MV's around...

M923 Info Required Title says it's a 1984 SN: C52303331 Reg: Unknown NSN: 2320010502084 Bumper: 49GP 530QM 108 5M Came from base in VA. Thanks.

Anyone have a TM reference as to the mounting dimensions of the convoy light poles or where the mounting holes for the u-bolts should be made? TIA Martin.

Hi All, I am looking at driving my newly aquired truck which is currently located on the Outer Banks, NC back to Boston, MA. This was a privately owned truck (originally from GL) but is driven regularly so there is an element of comfort knowing it's a running truck. That said it's about...

I am going to wait till Tuesday of next week as I have been promised some quotes by then. After that I will decide. I need to titile the truck at the very least by the 24th, in MA you have 10 days following the purchase to title the truck and pay the sales tax. The truck is regularly driven...