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Old 11-17-2015, 04:49 PM   #1
New Member
Join Date: Nov 2015
Location: Aubrey, TX
Posts: 8
Year: 1981
Coachwork: BlueBird
Chassis: International S1853
Engine: 9.0L International
Rated Cap: 32
Tach not working

What drives the tachometer on a 1981 S1853 International 9.0L?
Shredz is offline   Reply With Quote
Old 11-17-2015, 07:20 PM   #2
Bus Crazy
Join Date: May 2014
Location: West Ohio
Posts: 2,188
Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
You have a few options. Most likely it is electronic so there is a sending unit mounted on the side of the flywheel housing that reads the flywheel teeth. If it's mechanical tach, I think It had a cable that ran to a spot on the injection pump(never seen it but it was optional). Let me know what you got and I'll help you troubleshoot it.
Booyah45828 is offline   Reply With Quote

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