7-6
Electrical Component and Inline Harness Connector End Views
Usage Table (cont'd)
No.
Device
Label Name
Device
Assigned Name
Rating
Description
42
PRK LAMP RT
F42UA
15A
•
E2RM Side Marker Lamp - Right Middle (DPN)
•
E4R Park/Turn Signal Lamp - Right Lower
•
E4T Park/Turn Signal Lamp - Right Upper
•
E5T Tail/Stop and Turn Signal Lamp - Right (-UEA)
•
E42R Tail Lamp Assembly - Right (UEA)
•
X117 Right Snow Plow Tee Harness to Right Snow
Plow Headlight Harness (UNL)
•
X405 Chassis Harness to Body Builder Connection
Harness (5DX)
•
X495 Body Builder Connection Harness to Chassis
Rear Right Harness (5DY)
44
FUEL PUMP
F44UA
20A
•
Not Used
45
LOW AIR PRESS
F45UA
15A
•
KR99 Air Suspension Relay
46
ECM IGN
F46UA
15A
•
K20 Engine Control Module
•
K38A Chassis Control Module - Auxiliary (JL1)
•
K111 Fuel Pump Control Module
47
TRANS IGN
F47UA
15A
•
K34 Glow Plug Control Module
•
K71 Transmission Control Module
49
TCM_BATT
F49UA
15A
•
K71 Transmission Control Module
50
A/C CLTCH
F50UA
10A
•
KR29 A/C Compressor Clutch Relay
52
FRT WPR
F52UA
25A
•
KR12B Windshield Wiper Relay
•
KR12C Windshield Wiper Speed Control Relay
53
STOP LAMP
F53UA
15A
•
E6 Center High Mounted Stop Lamp
•
X405 Chassis Harness to Body Builder Connection
Harness (5DX)
•
X495 Body Builder Connection Harness to Chassis
Rear Right Harness (5DY)
54
TRLR REV LAMP
F54UA
10A
•
A10 Inside Rearview Mirror (DD8)
•
E5A Backup Lamp - Left (-UEA)
•
E5B Backup Lamp - Right (-UEA)
•
E42L Tail Lamp Assembly - Left (UEA)
•
E42R Tail Lamp Assembly - Right (UEA)
•
P3 Backup Alarm (UZF)
•
X405 Chassis Harness to Body Builder Connection
Harness (5DX)
•
X495 Body Builder Connection Harness to Chassis
Rear Right Harness (5DY)
55
TRLR BCK/
UP LAMP
F55UA
10A
•
X88 Trailer Connector (UY7)
56
NOT USED
F56UA
10A
•
Not Used
57
LR AMBER
F57UA
15A
•
X405 Chassis Harness to Body Builder Connection
Harness (5DX)
•
X495 Body Builder Connection Harness to Chassis
Rear Right Harness (5DY)
58
TRLR_BRK
F58UA
30A
•
K133 Trailer Brake Power Control Module (JL1)
•
X61A Junction Block - Instrument Panel
62
ICCM
F62UA
10A
•
K38A Chassis Control Module - Auxiliary (JL1)
63
ACCY PWR
F63UA
20A
•
X405 Chassis Harness to Body Builder Connection
Harness (5DX)
•
X495 Body Builder Connection Harness to Chassis
Rear Right Harness (5DY)
66
AUX UEC
F66UA
60A
•
X50B Fuse Block - Underhood Auxiliary
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual