
2003 GMC C5500 Topkick C5C042 6.6L Alternator
Alt. charges randomly. Set code PO621 (Gen. L term.) Tested while charging. Tec 2 shows V @ term. L; Have 11.5V @ brown wire,35% D/C on gray wire, and B+ on red. Caught it while not working:1.33V brown;67%D/C gray;(B+ red) Shows no V on scanner. Disconnect plu...
FIX posted 10/5/2017
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Message Closed w/FIX
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VIN | 1GDE5E1173 |
Engine | 6.6 L / 8 cyl / DIESEL |
Delivery | Fuel Injection |
Affected | Alternator |
Conditions | No Charge |
Message Closed w/FIX
Vehicle Data
2003 GMC C5500 Topkick C5C042
VIN | 1GDE5E1173 |
Engine | 6.6 L / 8 cyl / DIESEL |
Delivery | Fuel Injection |
Affected | Alternator |
Conditions | No Charge |