Troubleshooting

RENR2696-01 31
Troubleshooting Section
The procedures in this manual refer to the connector
that has 70 pins
. Table 11 shows the conversion from
engine models that have a connector with 70 pins to
engine models that have a connector with 31 pins.
Table 11
Machine Interface Connector Pin Numbers
70 Pin 31 Pin
2 13
3 14
4 15
5
16
11 24
12 10
13 11
16* 27*
18 18
19 22
20 25
22 23
23 12
25 19
28 21
29 29
30 26
31 6
36 9
37 28
42 3
43
7
44 17
45 20
48 8
52 30
56 1
58 4
61 31
68 2
69* 1*
70 5
* These connections are not used on some
eng
ine models.
HarnessWireIdentification
Perkins identifies all w ires with eleven solid colors.
The circuit number is stamped on the wire at a 25 mm
(1 inch) spacing. Table 12 lists the wire colors and
the color codes.
Table 12
Color Codes for the Harness Wire
Color Code Color Color Code Color
BK Black GN Green
BR Brown BU Blue
RD Red PU Purple
OR Orange GY Gray
YL Yell ow WH White
PK Pink
For example, a wire identification of F702-GN on the
schematic would signify a green wire with the circuit
number F702. F702-GN identifies the power supply
for the 8 V throttle sensor.
Note: Always replace a harness wire with the same
gauge of wire and with the same color code.