1989 Ford F350 starting system on a tioga motorhome Ford F3

  • 1989 FORD F-350
  • V8
  • 2WD
  • 30,000 MILES
My motor home was working fine yesterday when I went to fill it with fuel. Upon my returning home I shut the engine off and started messing around with the radio. I then tried to restart the engine and all I got was rrr, rrr, and then nothing. I assumed that the cranking battery in the RV was weak, so I attached a battery charger which pegged full on, made a noise and quit working. I unhooked it and checked the battery with a VOM. The reading was 9 volts. I went back in the cab, turned the key to start and nothing happened, no rrr, rrr, no idiot lights no head lights, nothing. I went and bought a new battery and when installing the neg. Cable after the pos. Cable, the connection arched enough to melt the battery post a little. I stopped at that point and removed the battery and the starter relay solenoid. With a VOM I have continuity between the neg. And pos posts on the solenoid. Does this mean that the solenoid is defected and causing the arching, as well as no action when the key is positioned in the start position?
Do you
have the same problem?
Monday, June 29th, 2009 AT 9:57 PM

1 Reply

If there is continuity between the two large lugs on the starter solenoid, then it is bad. It should only connect through when triggered by the ignition switch (small wire on solenoid)
Was this
Tuesday, June 30th, 2009 AT 7:48 AM

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