Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
Btw I had no patience so I purchased a nortron smart start system for 300 thinking iT was definitely a control box issue. Is it something worth keeping on the side just in case ?
Yes, worth having a spare and $300 sounds like a good price these days
https://gear-report.com/help-hmmwv-wont-start-humvee-glow-plug-start-system-maintenance
https://gear-report.com/wp-content/uploads/2017/03/HMMWV-A1-Troubleshooting.pdf
Before spending money, especially on an expensive s3 box I'd trouble shoot a bit. Test your glow plugs and see if any are...