If you don't mind me asking, what answers did you get from your Glow Plug Relay error E005324-04:
www.skidsteerforum.com
I've run into the same error code on my T550 and switched out the relay, fuse, and checked all wiring as best I could and can not find an issue.
Bobcat S450
I have a bob cat s450 with a Doosan d18n engine that does not want to cold start. there is no glow plug count down it just says Wait on the display. I have switched relays around so I don't think it is the relay. so if anyone has any ideas of what the problem maybe any insight would be...

I've run into the same error code on my T550 and switched out the relay, fuse, and checked all wiring as best I could and can not find an issue.