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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Inline Harness Connector End Views (X200-X305) >> Inline Harness Connector End Views >> X203 Instrument Panel Harness to Body Harness

X203 Instrument Panel Harness to Body Harness

GM4997556Courtesy of GENERAL MOTORS COMPANY
GM5022037Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 35283943
  • Service Connector: 84980932
  • Description: 50 -Way F 1.2, 2.8 OCS Series (BK)
Connector Part Information
  • Harness Type: Body
  • OEM Connector: 33390111
  • Service Connector: 19371219
  • Description: 50 -Way M 1.2, 2.8 OCS Series (BK)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 19370818 J-35616-12 (BU) J-38125-215A
II 85524896 J-35616-4A (PU) J-38125-215A
III 19352075 J-35616-13 (BU) J-38125-215A
IV 19355731 J-35616-5 (PU) J-38125-215A
Pin Size Color Circuit Terminal Type ID Option Function Pin Size Color Circuit Terminal Type ID Option
1 0.75
0.5
YE / BK
YE / GY
117
1956
II
II
IOS
LF4
Right Front Speaker [-] Control 1
Left Front Tweeter Speaker [-] Control
1 0.75
0.5
YE / BK
YE / GY
117
1956
IV
IV
IOS
LF4
2 0.75
0.5
YE
YE / BU
200
1856
II
II
IOS
LF4
Right Front Speaker 1 [+] Control
Left Front Tweeter Speaker [+] Control
2 0.75
0.5
YE
YE / BU
200
1856
IV
IV
IOS
LF4
3 0.75 BU / YE 1960 II - Front Center Speaker [-] Control 3 0.75
1
BU / YE
BU / YE
1960
1960
IV
IV
UQG
LF4
4 0.75 YE / WH 1860 II - Front Center Speaker [+] Control 4 0.75
1
YE / WH
YE / WH
1860
1860
IV
IV
UQG
LF4
5 - - - - - Not Occupied 5 - - - - -
6 0.35 VT / GY 539 II - Run/Crank Ignition 1 Voltage 6 0.35 VT / GY 539 IV -
7 0.35 BU / YE 4979 II - AUTOSAR CAN Bus [+] 2 Serial Data 7 0.35 BU / YE 4979 IV -
8 0.35 WH 4978 II - AUTOSAR CAN Bus [-] 2 Serial Data 8 0.35 WH 4978 IV -
9 - - - - - Not Occupied 9 - - - - -
10 0.35 BN / VT 1999 II - Left Rear Low Level Audio [-] Signal 10 0.35 BN / VT 1999 IV -
11 0.75 BN / GN 1852 II - Right Front Tweeter Speaker [+] Control 11 0.5 BN / GN 1852 IV -
12 0.75 VT / BN 1952 II - Right Front Tweeter Speaker [-] Control 12 0.5 VT / BN 1952 IV -
13 - - - - - Not Occupied 13 - - - - -
14 0.35 BU 511 I - Left Front Low Level Audio Signal 14 0.35 BU 511 III -
15 0.35 BN / BU 1947 I - Left Front Low Level Audio [-] Signal 15 0.35 BN / BU 1947 III -
16 0.35 YE 512 I - Right Front Low Level Audio Signal 16 0.35 YE 512 III -
17 0.35 YE / BK 1948 I - Right Front Low Level Audio [-] Signal 17 0.35 YE / BK 1948 III -
18 - - - - - Not Occupied 18 - - - - -
19 0.35 GN / BK 599 I - Left Rear Low Level Audio Signal 19 0.35 GN / BK 599 III -
20 0.35 GN / WH 24 I - Backup Lamp Control 20 0.35 GN / WH 24 III -
21 0.35 BN / WH 546 I - Right Rear Low Level Audio Signal 21 0.35 BN / WH 546 III -
22 0.35 BU / BK 1946 I - Right Rear Low Level Audio [-] Signal 22 0.35 BU / BK 1946 III -
23 - - - - - Not Occupied 23 - - - - -
24 0.5 BU 4987 I - AUTOSAR CAN Bus [+] 1 Serial Data 24 0.5 BU 4987 III -F55
25 0.5 WH 4986 I - AUTOSAR CAN Bus [-] 1 Serial Data 25 0.5 WH 4986 III -F55
26 - - - - - Not Occupied 26 - - - - -
27 0.35 GN / BU 6133 I - Body Control Module LIN Bus 2 27 0.35 GN / BU 6133 III -
28 - - - - - Not Occupied 28 - - - - -
29 0.35 VT / BU 6978 I - Audio Amplifier Control 29 0.35 VT / BU 6978 III -
30 0.35 GN / YE 7066 I - Entertainment Remote Enable Signal 30 0.35 GN / YE 7066 III -
31 0.35 BU / YE 3006 I - Active Noise Cancellation Microphone 2 Signal 31 0.35 BU / YE 3006 III -
32 0.35 BU / BK 3009 I - Active Noise Cancellation Microphone 2 Feedback Signal 32 0.35 BU / BK 3009 III -
33 0.5 BK / WH 1751 I - Signal Ground 33 0.35 BK / WH 1751 III -
34 0.5 BU / GY 4054 I - Private Serial Data Powertrain CAN Bus [-] Serial Data 34 0.5 BU / GY 4054 III -
35 0.5 WH 4055 I - Private Serial Data Powertrain CAN Bus [+] Serial Data 35 0.5 WH 4055 III -
36 0.35 GY 1715 I - Windshield Wiper Switch High Signal 36 0.35 GY 1715 III -
37 0.35 BK / GY 5152 I - Voice Recognition Audio [-] Control 37 0.35 BK / GY 5152 III -
38 0.35 GY / YE 5149 I - Voice Recognition Audio Signal 38 0.35 GY / YE 5149 III -
39 0.35 BARE 1792 I - Low Reference 39 0.35 BARE 1792 III -
40 - - - - - Not Occupied 40 - - - - -
41 0.35 WH 4978 I - AUTOSAR CAN Bus [-] 2 Serial Data 41 0.35 WH 4978 III -
42 0.35 BU / YE 4979 I - AUTOSAR CAN Bus [+] 2 Serial Data 42 0.35 BU / YE 4979 III -
43 - - - - - Not Occupied 43 - - - - -
44 0.35 GY 7210 I - Ethernet Bus 4 [-] 44 0.35 GY 7210 III -
45 0.35 GY / WH 7211 I - Ethernet Bus 4 [+] 45 0.35 GY / WH 7211 III -
46 0.35 BN / BK 7214 I - Ethernet Bus 6 [-] 46 0.35 BN / BK 7214 III -
47 0.35 GY / BK 7215 I - Ethernet Bus 6 [+] 47 0.35 GY / BK 7215 III -
48 - 49 - - - - - Not Occupied 48 - 49 - - - - -
50 0.35 RD / GN 4440 I - Battery Positive Voltage 50 0.35 RD / GN 4440 III -