Chrysler RAM TRUCK 2500 1994 Service Manual page 332

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ELECTRICAL 8A - 17
CAUTION: Do not connect A142 lead of wiring to
ground. Refer to G r o u p 8W - Wiring Diagrams for
more information.
TEST
(1) Start engine. Immediately after starting reduce
engine speed to idle.
(2) Adjust carbon pile and engine speed i n incre­
ments until a speed of 1250 rpm and voltmeter read­
ing of 15 volts is obtained.
CAUTION: Do not allow voltage meter to read above
16 volts.
(3) The ammeter reading must be within rating
shown i n Generator Specifications.
R E S U L T S
(1) I f reading is less than specified and generator
output wire resistance is not excessive, the generator
should be replaced. Refer to Group 8B - Battery/
Starter/Generator Service for information.
(2) After current output test is completed reduce
engine speed, turn OFF carbon pile and turn OFF ig­
nition switch.
(3) Disconnect negative cable from battery.
(4) Remove test ammeter, voltmeter, tachometer
and carbon pile.
(5) Remove jumper wire (Fig. 2).
(6) Connect generator output wire to generator
battery terminal post. Tighten nut to 5-6 N-m (45-75
in. lbs.).
(7) Connect negative cable to battery.
(8) Use DRB scan tool to erase DTC.
TO POWERTRAIN
CONTROL MODULE
TERMINAL
51
A142
10 AMP FUSE
GROUND
CARBON PILE
RHEOSTAT
CHASSIS
GROUND
J948A-18
Fig. 2 Generator Current Output Test—Typical