Pop Quiz on Wiring Looms
#1
Registered
Thread Starter
Join Date: Jun 2003
Location: Newport Beach / California
Posts: 588
Likes: 0
Received 0 Likes
on
0 Posts
Pop Quiz on Wiring Looms
Just for fun can you name the colors and what they are used for on the engine harness.
Hopefully you can see the picture clearly.
Hopefully you can see the picture clearly.
#5
Registered
Join Date: Oct 2000
Location: Wilmington,De,USA
Posts: 813
Likes: 0
Received 0 Likes
on
0 Posts
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