1990 Ford Bronco II RWD, Standard, M5OD-R1FACTORY OEM SERVICE PROCEDURE

Test 11, Right Coil Pack Fault, Isolate Dis Module

With key off, disconnect diagnostic cable connector from DIS module (Pins No. 7-12). See Fig 1 . Repeat test procedures in TEST 10. If test light illuminates during both tests, replace the DIS module and check for fault codes. See TESTS W/CODES article. If test light does not illuminate during both tests, go to TEST 12.

Fig 1: 2.3L DIS Module Pin Identification
G113251Courtesy of FORD MOTOR CO.
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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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