I am looking for a 1972 mercontrol box schematic. I need to change the 2 cables. Are they the same part # (interchangable? What can I expect to happen when open the control box? Which cable is the shifter cable? (at the box they are setting one above the other) How they contect to the motor? How to Repair Mercontrol Outboard Controls. HOME » Sports & Fitness: Boaters may take their Mercury outboard controls and the cables connected to them for granted, but that remote control box needs the manuals can be found by first locating the model number of your motor. Find great deals on eBay for mercontrol control box. Shop with confidence. Disassembly 1. Remove control handle by first removing throttle-only button. Place the control handle in the throttle-only position. Push "In" on button and place control handle forward. Throttle-only but-ton can now be removed. If button cannot be re-moved with fingers, use a small screwdriver and pry out gently. 74410 Place Control in Search Results for Mercury Outboard Control Parts. The form below allows you to search for car, truck, motorcycle or boat parts in real time. For best results, please be specific and be patient. It may take several seconds to display the results. Parts classifieds change daily so if you don't find what you want, come back in a few days and try 97499 buy 1979 mercury 40 outboard boat motor 40hp mercontrol 79900 1 1979 40 hp mercury outboard wiring diagram thanks for visiting our site this is fuel manual,land rover discovery series ii workshop repair manual download,philips door user manual,mac Mercontrol is a mechanical system for operating points and signals in most scales and gauges. Simple to connect, points and signals are operated like the prototype used to be. The system consists of a leverframe or a universal point lever to provide the throw. This is transmitted by a fine steel wire passing About Us. Marine Parts Plus has been a supplier of marine parts and accessories since 2007