Yes, either electric motor is expensive but prices are not listed here as they seem to change about every six months or so. It may also be found at Sierra under Sierra’s part number of 18-6759. This electric motor appears to still be available. The original part number is 391264 and supersedes up thru the numbers of 393988, 394176, 434795, with its last number being listed as 985237. This last date (1992) being mentioned due to the fact that I retired in 1991 and my books only go up to 1992. This POWER TILT TRIM electric motor existed between 1982 thru at least 1992. Two (2) Wire POWER TILT TRIM Electric Motor: It appears to be unavailable at Bombardier but it might be available at Sierra under Sierra’s part number of 18-6761. The original OMC part number is 387277 and supersedes up thru the numbers of 582048, 582155, and finally to its present part number of 584107. This PTT electric motor existed between 1976 thru 1981. Three (3 ) Wire POWER TILT TRIM Electric Motor: POWER TILT TRIM Electric Motors 1976 – 1992 The two different type electric motors cannot be interchanged “UNLESS” their associated wiring system (relay/solenoid setup) is interchanged with them. The wires being reversed via the relay system causes the motor to run in the opposite direction. Via the relay system, the battery negative (-) connects to one of the motor wires, the battery positive (+) connects to the other motor’s remaining wire causing the motor to run in one direction. The 2 wire (One “Green” wire, One “Blue” wire) unit incorporates a complex relay setup for both the up and down mode. Battery negative (-) connects to the black wire… Battery positive (+) connects to either the “Blue” or the “Green” wire to have the motor run in one direction or the other. The 3 wire motor has a “Black”, “Blue”, and a “Green wire. The 3 wire unit incorporates a solenoid for the up mode, and direct wiring for the down mode. POWER TILT TRIM Electric Motor Differences – by Joe Reeves
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