AFS75 wiring...
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Banned
Joined: Jun 2005
Posts: 118
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From: Detroit, MI
Car: 91' Pontiac Firebird
Engine: 388 ci Small block CHEVY (4.060x3.75), Dart Iron Eagle Platinum 200cc, Performer intake, 454 TBI, Long Tubes, True Dual 3" GPs
Transmission: 700R4, B&M, Governer Recal, 20,000 GVW cooler
AFS75 wiring...
I bought a 4-wire ACDelco AFS75 Oxygen sensor.
I searched here and google, no luck
I am guessing the two wires with the same color are power put what is ground and signal?
Err, don't know the colors, I am at work now and in the morning I am wiring that all up.
I searched here and google, no luck

I am guessing the two wires with the same color are power put what is ground and signal?
Err, don't know the colors, I am at work now and in the morning I am wiring that all up.
Thread Starter
Banned
Joined: Jun 2005
Posts: 118
Likes: 0
From: Detroit, MI
Car: 91' Pontiac Firebird
Engine: 388 ci Small block CHEVY (4.060x3.75), Dart Iron Eagle Platinum 200cc, Performer intake, 454 TBI, Long Tubes, True Dual 3" GPs
Transmission: 700R4, B&M, Governer Recal, 20,000 GVW cooler
Okay, here are the actual colors in particular order:
Brown Brown Purple Tan
Brown Brown Purple Tan
TGO Supporter
Joined: Jan 2005
Posts: 1,768
Likes: 2
From: Gambrills, Md
Car: clapped out 84Z
Engine: 355 efi roller
Transmission: tremec TKO
Hope this helps. This should be the body side connector description.
Pin Letter:
Wire Color:
Circuit No.:
Function:
A
TAN
1667
Heated Oxygen Sensor (HO2S) - Low
B
PPL
1666
Heated Oxygen Sensor (HO2S) - High
C
BLK
150
Ground
D
BRN
241
Ignition (ON)
Pin Letter:
Wire Color:
Circuit No.:
Function:
A
TAN
1667
Heated Oxygen Sensor (HO2S) - Low
B
PPL
1666
Heated Oxygen Sensor (HO2S) - High
C
BLK
150
Ground
D
BRN
241
Ignition (ON)
Last edited by Lo-tec; Jul 6, 2005 at 03:35 PM.
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