Control Assembly

1988 Ford Mustang LX, 2D Hatchback, 2.3 A, AutomaticSECTION Control Assembly
  1. Place control button to "ON" position. Apply 12 volts to pin "L". Connect pin "G" to ground. "ON" indicator should light. Apply 12 volts to pin "S". Heated rear window symbol should come on. Remove connections from switch.
  2. Connect digital volt/ohmmeter between pins "T" and "G". While pressing "OFF" button, resistance should be zero. Release "OFF" button and resistance should be infinite. Connect an ohmmeter between terminals "I" and "T". While pressing "ON" button, resistance should read 950-1050 ohms. Release "ON" button and resistance should be infinite.
Fig 1: Control Assembly Pin Locations
G53152Courtesy of FORD MOTOR CO.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.