If not those could also be the trim sender wires for the trim gauge.
Diagram of R -MR Alpha One (Drive) Mercruiser(NNN) NNN- graphic. Bravo/Blackhawk and Later Alpha One Models – Remove U-joint bellows sleeve.
a b Disconnect trim limit switch wires at the power trim pump. Also. Trim Position Sender Installation.
1. Install trim position sender as follows: a.
Place sterndrive unit in the full DOWN/IN position. b.
Turn center rotor of trim. The Trim Sender/Trim Limit for the MC I/Alpha One/Alpha One Generation water to wick down the lead into the sender or corrode the wire and cause it to stop.
The 4 wires coming from the trim limit & trim sender were frayed and One set has 2 male connectors, the other set has a female & male.POWER TRIM AND TILT SYSTEMS Trim Limit/Trim Position Sender Switches The trim limit (TL) switch is located on the left side of the gimbal housing. This switch permits only a limited amount of outward trim travel to provide safe control at high speeds and prevent damage to drive unit or trim cylinder due to lost side support of drive unit.
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Lt. Blue/White Trim- ”Up” Switch Gray Tachometer Signal Green/White Trim -”Down” Switch Tan Water Temperature Sender to Gauge Lt. Blue Oil Pressure Sender to Gauge Pink Fuel Gauge Sender to Gauge Brown/White Trim Sender to Trim Gauge Purple/White Trim-”Trailer” Switch Red .
TO: SERVICE MANAGER MECHANICS PARTS MANAGER No. A. NEW TRIM LIMIT SWITCH AND TRIM SENDER KIT Models MCI/Alpha One/Alpha One Generation II/Bravo One/Two MC IITR/IITRS Changes The Trim Sender/Trim Limit for the MC I/Alpha One/Alpha One Generation II/Bravo One/Two and the MC IITR/.
A1 TRIM SENDER AND TRIM LIMIT SWITCH KIT Page 4 of 10 2. Reinstall retainer and torque to lb. in.
( – N⋅m). a b a-Clamp b-Bolt 3.
Earlier Alpha One Models – Prepare U-joint bellows for installation as follows: a. Clean gimbal housing mounting flange with sandpaper and wipe clean with lacquer thinner.
WARNING.Trim limit wiresno where to be found Page: 1 – iboats Boating Forums | Replacing your Mercruiser Trim Limit and Trim Sender switches