Page 21-4
21A
E
FIGURE 21-4 Z PLUG CHART
Green/White Wire from
Potentiometer Limit
Switch
With key switch ON and accelerator pedal depressed, Z8
transistor completes the circuit from potentiometer limit switch
through green/white wire to controller, which actuates the
controller and starts the vehicle.
Z
8
Yellow Wire from
Potentiometer Movable
contact
Controller varies vehicle speed depending on voltage input
from the potentiometer through the yellow wire as the
accelerator pedal is depressed.
Z
9
Purple Wire to Potentio-
meter Stationary
Contact
Varies voltage input to the controller through purple wire from
potentiometer. High Pedal Detect is activated if input is below
3 volts when the key switch is turned ON.
Z
10
Green Wire from On-
board Computer
When batteries can accept a regenerative charge, the on-
board computer turns off a transistor in the controller, which
causes the controller to change from dynamic braking to
regenerative braking.
Z
11
Yellow Wire from On-
board Computer
When the battery charger DC cord is plugged into the
receptacle, the Z12 transistor inside the controller shuts off
voltage to the main solenoid, thus activating the solenoid lock-
out function.
Z
12
Red Wire to Motor
Speed Sensor
Supplies a constant voltage input from controller through the
red wire to the motor speed sensor.
Z
13
Green Wire from Motor
Speed Sensor
Motor speed sensor acts as an electronic tachometer that
pulses a voltage signal through the green wire to the
controller. This signal tells the controller the vehicle's speed.
Z
14
Blue Wire from Forward
and Reverse Switch
Z7 transistor completes circuit from the forward and reverse
switch through the blue wire to the controller when the vehicle
is operated in reverse.
Z
7
White Wire from Forward
and Reverse Switch
Z6 transistor completes circuit from the forward and reverse
switch through the white wire to the controller when the
vehicle is operated in forward.
Z
6
Brown Wire to Dynamic
Braking Solenoid Small
Post
Z5 transistor completes circuit from controller through the
brown wire to solenoid. Controller turns off the solenoid during
dynamic braking to allow current to to go through the resistor
coil until batteries can accept a regenerative charge.
Z
5
Blue/White Wire to Main
Solenoid Small Post
Z4 transistor completes circuit from controller through
blue/white wire to main solenoid. Controller turns off the
solenoid after 2 seconds if vehicle is left inactive (20 seconds
on some early model cars).
Z
4
Orange/White Wire from
Dynamic Braking
Solenoid Small Post
Z3 transistor completes the circuit to controller through
orange/white wire when key switch is on. Actuates speed
control functions such as Zero Speed Detect, Pedal-up
Braking, and downhill braking. Turn key switch off to disable.
Z
3
Red Wire from Main
Solenoid Large Post
Supplies constant 48 volt input to controller through the red
wire to keep capacitors inside the controller charged. Supplies
voltage when the key switch is either on or off.
Z
1
Z8
Z9
Z10
Z11
Z12
Z13
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z14
DIRECTION OF CURRENT
Positive (+) To Negative (-)
Z PLUG CONNECTIONS
Summary of Contents for 1996 DS Golf Car Gasoline
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