19
Test Procedures
TROUBLESHOOTING AND ELECTRICAL
SYSTEM (GASOLINE VEHICLE)
4.1. Four 10-gauge black wires are crimped together and connected to the negative (–) battery post. One of
these wires is connected via a single position in-line connector to the frame. The frame connection should
be clean and tight. Visual inspection of the connection on the frame is very difficult. The best check for
tightness is to pull on the black cable. If the cable moves at the connection end, disassemble the frame
connection and clean the bolt, ring terminal, and nut. Reinstall the frame connection.
4.2. Set the multimeter to 200 ohms. Place the red (+) probe on the unconnected end of the 6-gauge black cable,
and place the black (–) probe on the vehicle frame
. The reading should be
continuity. If the reading is incorrect, ensure that terminal connections are clean and tight. If the connections
are good and the reading is incorrect, check that the in-line connector is secure, repair or replace the cable.
5.
Check the fuel tank ground.
5.1. A 16-gauge wire runs from the fuel tank to the wire harness where it is sonically welded to the other ground
wires. Check the ground connection at the fuel tank.
5.2. Set the multimeter to 200 ohms. Place the red (+) probe on the terminal for the fuel tank ground connection,
and place the black (–) probe on the vehicle frame
. The reading should be
continuity. If there is no continuity, clean and tighten all cable connections. If the connections are good,
repair or replace the cable.
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200mA
MAX
1000 ---
750V
FUSED
BLACK (–)
PROBE
RED (+) PROBE
INLINE
CONNECTOR
TO FRAME
GROUND
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200mA
MAX
1000 ---
750V
FUSED
TANK
CONNECTION
FRAME
GROUND
2420
Figure 19-11
Battery Ground Cable Test
2421
Figure 19-12
Fuel Tank Ground
TEST PROCEDURE 4 – Key Switch (Starter Circuit)
See General Warnings on page 1-2.
1.
Disconnect battery and spark plug wire(s).
See Disconnecting the Battery – Gasoline Vehicles on page 1-3.
2.
Remove the instrument panel assembly.
See Key Switch Removal on page 20-14.
3.
Ensure that the wires are connected correctly and are tight. If they are not, rewire or tighten as necessary.
4.
Insert the key and turn the switch to ON. Place the red (+) probe of the multimeter on the No. 2 terminal and
the black (–) probe on the No. 1 terminal of the key switch. The reading should be continuity. If the reading is
incorrect, replace the key switch
.
Page 19-16
2014 Precedent
®
Golf Car Maintenance and Service Manual
Summary of Contents for Precedent 2014
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