Jimmy Wells
Registered User
It’s mounted on the passenger side fender beside the voltage regulator.
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What is this? (1990 F350 7.3)
- Thread starter Jimmy Wells
- Start date
Air hose port on the opposite side?
low vacc warning can
low vacc warning can
Jimmy Wells
Registered User
Only thing going into it is wires. I’ll double check for a spot where a hose should be. I bought this jewel a few months ago...started my drive home and 70 miles into the trip it threw a rod. Dropping a new motor in now and didn’t know what that part was. Thanks!!!
gandalf
Senior Member
What year truck is your new vehicle? Could you do another picture, showing more area, more of what is around your mystery part?
Jimmy Wells
Registered User
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Jimmy Wells
Registered User
Three parts on a tray mounted to the passenger side fender. One is the voltage regulator for alternator. Second is aftermarket and not hooked up. Maybe a plow or something back in the day. Third is the mystery part.
On the right top of your picture there is a black plastic manifold with a hose going towards the heater box. Follow that hose
Should be a vacuum hose dead center towards the cab for low vaccuum to turn the brake light on.
Jimmy Wells
Registered User
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Sure nuff. At least there was one there at one time. Thanks!!gman605
Registered User
That relay is sitting where the factory glow plug relay sits if i'm not mistaken, could be something of that nature.
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