LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
GMC
>>
1982
>>
Magnavan Automatic Trans, Trans Mfr CD 400/M40
>>
Repair and Diagnosis
>>
General Information
>>
Basic Trouble Shooting
>>
Starting Systems Trouble Shooting
>>
Condition & Possible Cause
>>
Solenoid Plunger Vibrates When Switch is Engaged
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Solenoid Plunger Vibrates When Switch is Engaged
Weak battery.
Solenoid contacts corroded.
Faulty wiring.
Broken connections inside switch cover.
Open hold-in wire.