Starter Doesn't Turn Over

Tiny
RBBASS
  • MEMBER
  • 1998 VOLVO XC70
  • 5 CYL
  • AWD
  • AUTOMATIC
  • 141,000 MILES
I have a 1998 Volvo xc70 wagon. When I turn the key to start, nothing happens. There is no clicking noise, no starter spinning noise. Just silence. The battery is nearly brand new and I tested it independently and it’s ok. Plenty of spark and the headlights are bright. There is also full voltage to the solenoid main voltage terminal. I disconnected the wire to the starter trigger terminal on the solenoid and connected a voltmeter. The measurements seem odd: 10.4 volts when the key switch is "on" and 0 volts when it is in the "crank engine" position (both in park and neutral – 0 volts in all other positions as expected). When I apply 12 volts to the starter directly it spins but doesn't engage. When I apply 12 volts directly to the starter trigger terminal on the solenoid, nothing happens – no clicking or anything. So what is bad - the ignition switch, solenoid, or some combination?
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Monday, January 24th, 2011 AT 10:31 PM

1 Reply

Tiny
HAGERTP
  • MEMBER
The solenoid is the device that brings power to the starter motor, and pulls a plunger to engage the bendix to start the engine. You have a bad solenoid and I recommend replacement of the starter as a whole, the remanufacturered units should be tested before you walk out of the parts house, I have had more than one remanned starter go POOF. Just my opinion and BTW, good diagnostic on the starter!
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Monday, January 24th, 2011 AT 11:05 PM

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