Pop Quiz on Wiring Looms
#5
Black= ground
Brown=ref electrode, Mercathode
Orange=alternator output OR
anode electrode, Mercathode
Lt. blue/white=Trim up switch
Gray= tach signal
Green/white=Trim down switch
Tan= water temp sender
Lt. blue= oil press sender
Pink= fuel gauge sender
Brown/white=oil temp gauge
Purple/white= Trim trailer switch
Red= 12v (hot)
Red/purple= 12v (fused)
Purple/yellow= Ballast bypass
Purple= Ignition switch (+12v)
Yellow/red
switch= Starter switch to starter solenoid to neutral start
The preceding info is excerpted from Mercury Marine, published 1994, Service Manual #3
Brown=ref electrode, Mercathode
Orange=alternator output OR
anode electrode, Mercathode
Lt. blue/white=Trim up switch
Gray= tach signal
Green/white=Trim down switch
Tan= water temp sender
Lt. blue= oil press sender
Pink= fuel gauge sender
Brown/white=oil temp gauge
Purple/white= Trim trailer switch
Red= 12v (hot)
Red/purple= 12v (fused)
Purple/yellow= Ballast bypass
Purple= Ignition switch (+12v)
Yellow/red
switch= Starter switch to starter solenoid to neutral start
The preceding info is excerpted from Mercury Marine, published 1994, Service Manual #3




