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Rich Biebel · 09-19-2015, 06:22 PM

Those units have a Bosch type relay for the starter. They had a service bulletin about relays not being sealed and getting dirt on the contacts inside. There are 3 relays mounted up inside behind the start switch area. They are in a tough spot to get to but you can get in there....Tap on them while you try to start it....see if it cranks.....If it does you need to figure out which relay is for the starter and change it....

They are numbered 1-2-3 and but I don't recall which number the starter relay is called.....

09-19-2015, 06:22 PM	#2
Rich Biebel VIP Member Join Date: Jun 2007 Location: Northern New Jersey suburbs Posts: 2,275 Likes: 25 Liked 510 Times in 200 Posts	Re: Onan 8K quiet Diesel Those units have a Bosch type relay for the starter. They had a service bulletin about relays not being sealed and getting dirt on the contacts inside. There are 3 relays mounted up inside behind the start switch area. They are in a tough spot to get to but you can get in there....Tap on them while you try to start it....see if it cranks.....If it does you need to figure out which relay is for the starter and change it.... They are numbered 1-2-3 and but I don't recall which number the starter relay is called..... __________________ Rich Biebel S/C 1479