Hearth Record

Service brakes, air: antilock: interconnecting assembly(wiring) (GMC and Chevrolet)

Vehicle recall 77V-145. NHTSA received GENERAL MOTORS CORP.’s report on Sep 15, 1977.

NHTSA’s own record, on nhtsa.gov

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The short answer

NHTSA received GENERAL MOTORS CORP.’s report on Sep 15, 1977. Copied from NHTSA on Oct 28, 2026.

Every line below is in NHTSA’s own words, with its source beside it.

What’s wrong with it?

The notice gives no hazard in a field of its own.

THE INVOLVED VEHICLES MAY NOT COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, “AIR BRAKE SYSTEMS”.

THE TRAILER BRAKE CONTROL AIR LINE WAS CONNECTED TO THE FRONT BRAKE DOUBLE CHECK VALVE RATHER THAN THE STOP LAMP SWITCH DOUBLE CHECK VALVE, SUCH THAT IN THE EVENT OF A FAILURE OF THE TRUCK FRONT BRAKE SYSTEM THE TRAILER BRAKES CANNOT BE APPLIED USING THE SERVICE BRAKE CONTROL (TREADLE VALVE).

Source:

NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.

  • NHTSA’s part: Service brakes, air: antilock: interconnecting assembly(wiring).

What should you do?

DEALER WILL INSPECT AND CONNECT THE BRAKE CONTROL AIR LINE TO THE PROPER VALVE, WITHOUT CHARGE TO OWNER.

Source:

NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.

  • How to reach the firm: VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH AIR BRAKE MODELS W/RQ3 AND W/J91.SYSTEM: SERVICE BRAKES; TRAILER BRAKE CONTROLS.CONSEQUENCES OF DEFECT: LOSS OF TREADLE VALVE CONTROL OVER THE TRAILER BRAKESWOULD INCREASE VEHICLE STOPPING DISTANCE AND COULD RESULT IN AN ACCIDENT.
  • Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.

Which ones are recalled?

NHTSA counts 185 vehicles potentially involved, across everything this recall names.

Source:

NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.

  • GMC TE65and 1975, 1976 and 1977, before the model years listed here
  • Chevrolet TE65and 1975, 1976 and 1977, before the model years listed here

Who is recalling it?

  • Made by GENERAL MOTORS CORP..
Source:

NHTSA, Recalls flat file before 2010. Released Oct 28, 2026. Updated daily.

What the record doesn’t say

  • NHTSA’s recall file doesn’t say whether anyone was hurt.
  • Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
  • This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
  • How many have been returned or fixed isn’t in the notice.
Source:

Hearth Record wrote these lines.

Sources

Source:

Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 28, 2026.

How to read a record

Four things every record does, shown on an example record made up for this guide.

An example record, made up for this guide

An example nursing home

Made up for this guide: no real place is shown

Not fully inspected in over two years (CMS flag)

11 health citations at the latest inspection cycle

The state average is 14.3.

Source:

CMS, State and US Averages and Health Deficiencies. Released Oct 28, 2026. Updated monthly.

From the homeNone yet. Replies and paid listings aren’t open, and when they open they will sit here, below the record.

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Every fact names its source.

Who published it, when, and how often it changes sit beside each fact, with a link to the agency’s own file.

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