Pinpoint Test A6 - Functional Test

1991 Ford Cab & Chassis 5.8 H, StandardSECTION Pinpoint Test A6 - Functional Test

With ignition switch in the OFF position connect 12 volt test light to test terminal on control unit See Fig 1. Position test light so it can be viewed from driver's position. Turn ignition switch to ON position and monitor system operation. Compare test light times to test light table below.

Fig 1: Test Light Hook-up to Control Unit
G50A08303Courtesy of FORD MOTOR CO.
RENDER: 1.0x

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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.
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  • β€’ You are not confident in the next step or safety outcome.