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Electric control signal monitoring and simulating apparatus for troubleshooting automatic transmissions

  • US 4,562,729 A
  • Filed: 02/22/1984
  • Issued: 01/07/1986
  • Est. Priority Date: 02/22/1984
  • Status: Expired due to Fees
First Claim
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1. Electric control signal monitoring apparatus for use with an automobile automatic transmission which normally receives, through a preexisting electrical conduit, electric control signals from the automobile engine and its controls or the like;

  • said apparatus comprising;

    (a) means for receiving and monitoring said electric control signals provided to an automatic transmission by said engine and its controls or the like; and

    (b) means for connecting said receiving and monitoring means in electrical series with said preexisting electrical conduit through which the electric control signals are provided to the transmission so as to enable said receiving and monitoring means to monitor said control signals passing therethrough.

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