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1991 GMC G1500 Rally 5.7L Code 4
This van has recently set code 4 on the ABS (3 short & 1 long flash). It flashes the code WHENEVER the key is on, and also when the ALDL connector is jumped. My resources say code 4 is a grounded antilock valve switch circuit. If that is the blue wire to the v...
FIX posted 9/25/2001
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Message Closed w/FIX
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| VIN | 1GKEG25K4M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Affected | Code 4 |
| Misc. | Rwal |
Message Closed w/FIX
Vehicle Data
1991 GMC G1500 Rally
| VIN | 1GKEG25K4M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Affected | Code 4 |
| Misc. | Rwal |
3 Replies Received
3 Replies Received
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