Chevrolet Equinox manuals

Chevrolet Equinox Service Manual: GMLAN and Media Oriented Systems Transport (MOST) Wiring Repairs

Chevrolet Equinox Service Manual / Vehicle - General / GMLAN and Media Oriented Systems Transport (MOST) Wiring Repairs

Special ToolsEL-38125-10 Splice Sleeve Crimping ToolDuraSeal splice sleevesA wire stripping tool

For equivalent regional tools, refer toSpecial Tools.

The DuraSeal splice sleeves have the following 2-critical features:

A special heat shrink sleeve environmentally seals the splice. The heat shrink sleevecontains a sealing adhesive inside.A cross hatched (knurled) core crimp provides necessary contact integrity for thesensitive, low energy circuits.

The GM Local Area Network (GMLAN) System requires special wiring repair proceduresdue to the sensitive nature of the circuitry. Follow the specific procedures and instructionswhen working on GMLAN connectors and terminals.

GMLAN Repairs

Note:When making a repair to any GMLAN network, the original wire length after the repairmust be the same length as before the repair. If the network is a twisted pair, thetwist must be maintained after the repair is completed.

GMLAN has 2-types of networks, low speed and high speed. Low speed GMLAN has a singlewire and works at slow speeds. High speed GMLAN has 2-wires in a twisted pair andworks at higher speeds. For more information on GMLAN, refer toData Link Communications Description and Operation.

GMLAN Connector Terminal Repair

Note:A terminated lead can be used to replace damaged connector terminals for both highspeed and low speed GMLAN systems. When making a connector terminal repair on a GMLANhigh speed system with twisted pair wires, do not untwist the wires more than necessaryto make the repair.

If the individual terminals are damaged on any GMLAN connection, use the appropriateconnector repair procedure in order to repair the terminal. Refer toConnector Repairsfor the appropriate connector repair procedure.

GMLAN Wire Repair

Note:Refer to Wiring Repairs in the service information connector end views or the vehicleschematics in order to determine the correct wire size for the circuit you are repairing.You must obtain this information in order to ensure circuit integrity.

If any wire except the pigtail is damaged, repair the wire by splicing in a new sectionof wire of the same gauge size (0.5-mm², 0.8-mm², 1.0-mm² etc.). Use the DuraSealsplice sleeves and EL-38125-10 tool. For wiring repair, refer toSplicing Copper Wire Using Splice Sleeves.

Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000mi.Have underbody flushing service performed. See "Underbody Maintenance" inExterior Care. ...

Folded-Over Wire Repair
Special Tools EL-38125-10 Splice Sleeve Crimping ToolFor equivalent regional tools, refer toSpecial Tools.The GM global wire repair strategy uses connector assemblies (pigtails) and terminatedleads to ...

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The door lock cylinder uses 6 of the 8-cutpositions, 3 through 8. The tumbler positions are staggered fromside to side, 3 on one side and 3 on the other, are notself-retaining, and are not snap in.Note:All lock cylinders for side milled keys have right and lefttumblers. The location of the tooth of ...

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