kajun55 0 Report post Posted July 13, 2021 I have several instruments including the trim position indicator and tachometer that are inoperative. Are there any wire diagrams for the instrument panel. The owner panel does not have one. Share this post Link to post Share on other sites
gkaeter 0 Report post Posted July 30, 2021 SIgnals from BB/SB engine can be found on the connector from the engine harness extension (see also page M-63 in UM) under the dash and are continued to the instruments Meaning of the colors BLK GND GRY ENG.TACHOMETER YEL/RED STARTER BRN/WHT TRIM POS. SENDER TAN WATER TEMP LT.BLUE OIL PRESSURE PUR IGNITION RED/PUR 12V+ TAN/BLU ENG.ALARM For the i.e. TRIM POS.SENDER there´s a further connector in the engine room which causes problems sometimes. Share this post Link to post Share on other sites