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Obviously I was wrong - after all the "fixes" I had to replace the alternator regulator, the injectors, glow plugs and the smart start box (the old one was a 1985 model - 1st generation). After more than one year of fixes and trying to debug it, I now have the privilege to ride a reliable HMMWV...

Hello everybody; long time not beeing here but appearently the spooky HMMWV is working as it should be. I adjusted the charching voltage and the batteries seem to work better than before. I think this was the major point about the pre-heating process. Since the new adjustment in Dec. 2018 until...

well Milcommoguy, where I usually go with the HMMWV the triple A card won't be of any help. But always starting at home :-) But in Germany they'd refuse answer the phone when it comes to HMMWV owners ;-) and troubleshooting on a working system seems to be spooky too. So I'll enjoy the HMMWV as...

well everyone, I did ohm reading - everything's fine. Now, out of a sudden, the pre heat process works great, even in cold weather like today. So no more troubleshooting until then :-) Maybe there was a loose connection on a gp? Or everything happens by accident? Future will show it. How ever...

so this is the PCB of my HMMWV

well, I spent lot of my sunday today in troubleshooting. Finally I quit at the 3rd. GP. Left front - I loosens it but it won't get out (mechanical problem). I re-attached all the cables and the glowing process worked again. I've been told from the seller, they replaced the PCB and the GPs. So I...

Hi folks, I just registered here. I find your post interesting 'cause I have the same issue with my recently bought 1985 HMMWV. The glow control lamp blinks for a fracture of a second but the system does not glow. This happens sometimes and sometimes it works. The told me, they had changed the...