88688A23 Mercruiser Twin Control Unit | Genuine Used Part

🔧 Product Description

Genuine MerCruiser Gen I Dual-Engine Console Control - Part Number: 88688A23

A genuine Mercury and MerCruiser dual-handle console control for twin sterndrive, inboard or compatible outboard installations using Gen I throttle and shift cables.

The unit incorporates adjustable throttle friction, neutral detents, handle-mounted trim switches, a 20-foot trim harness and a trailer switch.

⚙️ Key Features

• Genuine Mercury / MerCruiser twin-engine control
• Correct current part number 88688A23
• Gen I mechanical control-cable design
• Adjustable throttle friction and neutral detents
• Includes trim-harness and trailer-switch connections

🚤 Compatibility

Commonly used on

• Twin MerCruiser sterndrive installations
• Twin MerCruiser inboard installations
• Mercury and Mariner 3.4L outboards with external trim cylinders

Typically suits

• Engine models:
• MerCruiser MCM petrol sterndrive engines
• MerCruiser MCM diesel sterndrive engines using mechanical controls
• MerCruiser MIE petrol inboard engines
• MerCruiser MIE diesel inboard engines using mechanical controls
• Mercury / Mariner 3.4L V6 outboards with external trim cylinders
• Twin-engine installations using Gen I 897977A-series control cables
• Engine Type: MerCruiser sterndrive / inboard and Mercury 3.4L outboard
• Control Type: Twin mechanical Gen I console control
• Year Range: Commonly used across 1986-1993 control-system catalogues and later compatible mechanical installations

🔌 Function

The control independently operates the throttle and transmission or sterndrive shift mechanism for two engines. It also provides trim and trailering control where the complete switch and harness assemblies are installed.

⚠️ Common Signs of Failure

• Control handles bind or move unevenly
• Throttle friction will not hold its adjustment
• Neutral detents are weak or difficult to locate
• Trim or trailer switches do not operate
• Internal cams, pivots or cable-attachment points are worn

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 88688A23 → Supersedes 88688A15
• 88688A23 → Supersedes 88688A12
• 88688A23 → Supersedes 88688A4
• 88688A4 earlier OEM dual-control reference

OEM / Related Numbers

• 88688A23
• 88688A15
• 88688A12
• 88688A4
• 897977A__ Gen I throttle / shift cable series
• 20-foot trim harness

Aftermarket / Verified Equivalents

• ROP Shop: replacement trim and tilt paddle switch
• Aftermarket Gen I control repair switches and handle components
• No aftermarket complete control equivalent

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated