Plymouth Valiant V-100 1965 Service – Technical Manual page 170

ALTERNATOR AND REGULATOR

Fig. 3-Alternotor

fbirorrembled V k w l

VOLTAGE REGULATOR

The only function of the regulator

to limit the

output voltage. The voltage regulator accomplishes

this by controlling the flow

of current in the rotor

'field coil, and in effect controls the strength of the

rotor magnetic field.

The voltage regulator is connected in the field cir-

cuit between the battery and the field terminal of the

alternator. One terminal of the regulator

"IGN" and the other is marked "FLD." The "IGN'

terminal of the regulator is connected to the coil side

of the ignition switch

field circuit is com-

when the ignition switch is turned "ON."

The voltage regulator (Fig.

has two sets of con-

tacts using a common single armature. The upper and

lower stationary contact brackets are mounted on a

molded plastic bracket which is attached to the regu-

lator frame by a screw. (Fig.

The upper contact

connected to the "IGN" terminal

Three resistance units are used (Fig.

number "one" and number "two"

connected be-

tween the "IGN" and "FLD" terminals, in parallel

with the upper

contacts. Resistor number

connected between the "FLD" terminal

and ground. Its function is to reduce arcing at the

wire. The lower contact bracket is connected to

ground by another fusible wire. The armature

nected to the insulated "FLD" terminal.

Fig. 4-Voltage

Regulator ICover Removod)

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