Charging System: Testing and Inspection

Fig. 1 Alternator test (Part 1 of 5). Scorpio:

Charge Lamp Function Check
Battery Condition
B+ Wiring Check

Fig. 1 Alternator test (Part 2 of 5). Scorpio:

D+ Wiring Check
Battery Ground
Alternator Ground

Fig. 1 Alternator test (Part 3 of 5). Scorpio:

Battery Drain Test-Key Off
Regulator Bypass

Fig. 1 Alternator test (Part 4 of 5). Scorpio:

Base Voltage and No-Load Test

Fig. 1 Alternator test (Part 5 of 5). Scorpio:

Load Test