Aldl connector for teves on '89 LSC

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Aldl connector for teves on '89 LSC

Postby robertbweltzien » Sat Sep 16, 2017 5:11 pm

Can anyone show a picture of which pins to ground out on the aldl connector on the teves Mark 2? (Is it not the same link for power train diagnostics? Or is it on the cap for the brake reservoir or the valve block?) Any help would be greatly appreciated!

Bob
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Re: Amber light on. Aldl connector for teves on '89 LSC same

Postby robertbweltzien » Sat Sep 16, 2017 6:20 pm

From the manual it says to connect a Star tester to the ALDL link for the power train computer. Since one isn't available is there any was to read codes manually, like the check engine light? Another way is to check wheel sensor resistances and voltages through the pins on the electronic controller through the '89 service manual. Then on to the various solenoids and valve blocks!

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Re: Aldl connector for teves on '89 LSC

Postby K MANIAC » Sat Sep 16, 2017 7:33 pm

Bob:

The test connector for the ABS computer is located in trunk, behind the backseat, near the ABS computer. You will need to carefully remove the carpet panel covering the underside of the package shelf and backseat back the find it.

The test connector is a six pin style connector identical to the engine test connector under the hood. Look for two wires stacked one on top of the other in the connector. One wire is Tan w/ Red stripe (T/R) the other is Light Green w/ Yellow stripe (LG/Y). Connect a jumper between these two wires with the ignition off, then turn the ignition on without starting the engine. Watch the amber ABS light and count the flashes between pauses to decider the code.
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