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ALDL (Assembly Line Diagnostic Link) Connector

This category on the website [ ECM Wiring Harness Related ] we are giving you all of the information related to the individual parts in the Buick Turbo Regal, along with the associated wiring, connector plugs, etc.

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VEHICLE APPLICATION:

Buick Regal, T-Type, Turbo T, Limited, Grand National, GNX

PART NAME:

ALDL (Assembly Line Diagnostic Link) Connector

PURPOSE OF PART:

diagnostic analysis connector for various components / systems in the vehicle

TURNS ON-OFF / FUNCTIONS / USED WHEN:

in constant use when the key is turned forward/backward (in any position)

LOCATION IN VEHICLE:

interior, under the dash, drivers side, near the front of the console, left side below radio

ORIGINAL GM PART NUMBER:

?

PART BASE COLOR:

black

CONNECTOR PLUG COLOR (PART SIDE):

black

WIRES ATTACHED (PART SIDE):

6

CONNECTOR PLUG COLOR (HARNESS SIDE):

n/a

NUMBER OF WIRES ATTACHED (HARNESS SIDE):

n/a

COLOR & PURPOSE OF (HARNESS SIDE) WIRES:

black (“A”), goes to (junction) to ground

white-black (“B”), goes to ECM (“A9” 5v, diagnostic test)

brown-white (“D”), goes to SES (dash) light

orange (“E”), goes to ECM (“A8”, serial data)

tan-black (“F”) goes to (junction) (which connects to TCC solenoid [“D”] and ECM [“A7” TCC control] )

gray (“H”) goes to (junction) (which connects to ECM [“A4” exhaust gas recirculation {EGR} control] )
(junction connects with EVRV)

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OTHER NOTES:

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PHOTOS OF PART AND CONNECTED WIRES:
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84-85 ecm iac tcc wg aldl evrv ac brake sw
84-85 ecm aldl coil im maf esc knock

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Here’s a list of all of the ECM Wiring Harness Starting Charging Ignition Wiring & Connectors in the Buick Regal:
(click the links to go to the one you need info about)

* ALDL
* Alternator
* Battery Cables (Positive & Negative)
* Bulkhead Connections & Distribution Blocks
* Coil Pack
* ECM Memory Power Wire
* ECM
* Fuel Pump Test Tap
* Fuse Box
* Fusible Links
* Harness Routing
* Ignition Module (IM)
* Inline Fuses
* Main Grounds (Grounding Points)
* SES Light
* Starter
* Tach Tap Harness
* Volts Light
* Wiring Harness (Main Harnesses in car)

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