User Manual
10
DOC 101058C_c:\manuals\throttles\cat\catthrot.p65
3126B HEUI
Class 1
Caterpillar Interface
C1-A 12 VDC
C3
C1-B
Sensor Common
(Ground)
Throtle Position
PWM Out
PTO Engaged
PTO Lamp
56 PTO On/Off
Ground
3 Input Sensor
Common #2
Ground
68 INPUT #8
RAPS PWM
30 Output #1
PTO On Lamp
Ground
New Caterpillar 3126B
12 VDC
Caterpillar 3126B ECM
Throttle Interface Module
manuals\throttle\cat\3126B-HI.AI....102398
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CAT J1/P1 Connector
ECM RIGHT SIDE
Vehaicle Harness Connector
ECM Side
Relay
87a
87
85
86
30
Programming Considerations
Parameter Available CAT Default Program
PTO Remote Throttle Off ON
PTO Top Engine Limit 600-2120 2120 2120
PTO RPM set speed Idle-PTO TEL 0 RPM xx
PTO Cab Throttle RPM TEL, Idle,PTO TEL TEL TEL
PTO activates cooling fan Normal, Continuous Normal Continuous
Torque Limit 200 lb-ft to Rated 2000 lb-ft Rated
Idle PTO vehicle speed limit 1 to 15 MPH 1 MPH Max
89101113
14
24
32
40
48
23
31
39
47
57
70 69 68 67 66 65 64 63 62 61 60 59 58
C2-A Ground
C2-C +5VDC
C2-B Throt Sig
C4
IdleValidation
Override
PTO
FAST
IDLE
OEM
Interlocks
Fast Idle
Switch
HIGH IDLE POT (10K)
VERNIER CONTROL (10K)