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Throttle Valve Switch

  1. Connect ohmmeter across pins 18 and 25 in control unit connectors. With throttle depressed, no continuity should be present. With throttle released, continuity should be present. If not correct, adjust throttle switch. See ADJUSTMENTS in this article.
  2. Connect ohmmeter to terminal 18 and ground, then 25 and ground. See Figure . Infinite ohm reading should be present in both positions. If not, repair short to ground in harness, or replace throttle valve switch.
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