1978 Plymouth Arrow Base, Automatic TransFACTORY OEM SERVICE PROCEDURE

Ignition Systems

NOTE: If Tester (C-4166) with Adapter (C-4166-1) is available, use tester and follow manufacturer's instructions. If tester is not available, proceed as follows:

Check that all secondary cables, primary wire at coil and ballast resistor are not loose and not cracked excessively. Use a voltmeter with a 20, 000 ohm/volt rating and an ohmmeter which uses a 1 1/2 volt battery for its operation. Check calibration of both meters.

Check and record battery voltage reading using voltmeter. Proceed with following tests.

Factory Service Tools

Use the Manual With the Right Hardware

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

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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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