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Throttle Position Sensor

  1. Disconnect carburetor connector. Measure resistance between terminals No. 1 (power) and No. 8 (ground) on Raider and Ram 50. Measure resistance between terminals No. 1 and No. 3. See Fig 1 . Standard resistance is 3500-6500 ohms.
  2. Connect ohmmeter between terminals No. 2 (output) and No. 8 on Raider and Ram-50. Connect ohmmeter between terminals No. 3 and No. 2 on all other models. Operate throttle valve slowly from idle to full open position. Resistance should change smoothly in proportion to throttle valve opening, from 500 ohms to 3500-6500 ohms.
Fig 1: Front View of Throttle Position Sensor Connector
G61357
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