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Home >> Plymouth >> 1987 >> Horizon Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> EFC System >> Removal & Installation >> Spark Control Computer >> Removal & Installation
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal & Installation

  1. Disconnect 10-pin and 14-pin connectors from computer. Remove outside air duct from computer. Disconnect vacuum hose from vacuum transducer.
  2. Remove 3 mounting screws that hold computer to fenderwell and remove computer. To install, reverse removal procedure.
NOTE: Computer is not serviceable. Do not attempt disassembly for any reason. If vacuum transducer is defective, entire computer must be replaced.
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