Volvo 770 owners have reported 3 problems related to alternator/generator/regulator (under the electrical system category). The most recently reported issues are listed below.
The batteries were constantly running down due to the alternator malfunctioning.
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all problems of the 1999 Volvo 770
🔎.
Vehicle is experiencing lifeguard system problems. This feature will shut down electrical components when it senses the draw on the batteries and the voltage left in the batteries, consumer states he has put new batteries in and Volvo has replaced an alternator.
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all problems of the 2000 Volvo 770
🔎.
Consumer experiencing problems with the wiring harness under the dash, which caused a fire, gauges were erratic and cab controller ecu failed. Experienced other electrical problems with the battery which seems to be lasting 15 months. The alternator has been replaced 7 times. Gearbox sensor failed, consumer noticed fuses missing after possession of the truck.
| Problem Category | Number of Problems |
|---|---|
| Dash Wiring problems | |
| Electrical System problems | |
| Starter problems | |
| Underhood Wiring problems | |
| Alternator/generator/regulator problems | |
| Ignition Module problems | |
| Wiring problems | |
| Horn Assembly problems |