Rectifier Test - Mercury 15XD Service Manual

BATTERY CHARGING AND STARTING SYSTEMS

Rectifier Test

Disconnect battery leads from battery before testing rectifier.
*NOTE: Rectifier can be tested without removing from engine.
Rectifier Test (continued)
Continuity Indicated
Connect BLACK meter lead to ground, RED
lead alternately to terminals " a"and " c" .
No Continuity Indicated
Connect BLACK meter lead to terminal " b" ,
RED lead alternately to terminals " a"and " c" .
Continuity Indicated
Connect RED meter lead to termi-
nal " b" , BLACK lead alternately to
terminals " a"and " c" .
No Continuity Indicated.
Rectifier tests O.K.
Page 2B-10
d
a
b
e
Connect RED meter lead to ground, BLACK lead
alternately to terminals " a"and " c" .
Continuity Indicated.
Replace Rectifier.
No Continuity Indicated.
Replace Rectifier.
No Continuity Indicated.
Replace Rectifier.
Continuity Indicated.
Replace Rectifier.
WARNING
c
f
07300
No Continuity Indicated
Connect BLACK meter lead to ground, RED
lead alternately to terminals " a"and " c" .
Continuity Indicated
Connect BLACK meter lead to terminal " b" ,
RED lead alternately to terminals " a"and " c" .
Continuity Indicated.
Replace Rectifier. Connect RED meter lead to termi-
nal " b" , BLACK lead alternately to
terminals " a"and " c" .
No Continuity Indicated.
Replace Rectifier.
No Continuity Indicated
Continuity Indicated.
Rectifier Tests O.K.
90-826883R2 JUNE 1998