1960 Chevrolet Nomad 5.7L Eng, Automatic Trans, Trans Mfr CD PowerglideFACTORY OEM SERVICE PROCEDURE

Checking Static-Sensitive Circuits/Devices

NOTE: This article is intended for general information purposes only. Contents are generic in nature and all information may or may not apply to all vehicles.
  1. Solid State circuits in electronic devices are shown greatly simplified in schematics. See Fig 1. Due to the simplification of the electronic devices on the schematic, resistance measurements could be misleading or could lead to an electrostatic discharge. Always follow the recommended diagnostic procedure.
    Fig 1: Sample Schematic Showing Typical ESD Sensitive Device
    G50J12681
  2. Only measure resistance at the terminals of the devices when instructed by the recommended diagnostic procedure.
  3. When using a voltmeter, be sure to connect the ground lead first.
Factory Service Tools

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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.

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