Shifting problem

Trike rider

Cadet
Joined
Aug 13, 2020
Messages
10
I have a mercruiser 5.7. changed both control cables. Cannot get all working. When installed on the shifter, it seems like the cable is to short. When I shift to forward it stops and the gas does not not work. Hope I am explaining this right
 

Mad Dog 2

Seaman Apprentice
Joined
May 19, 2013
Messages
40
Sounds like wrong cables or not installed correctly.
Why did you change the cables?
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,872
MerCruisers usually have an upper and lower shift cable. The lower shift cable is a bit tricky to install as it needs to be threaded thru the shift cable bellows and the bitter end installed. A service manual is a good idea.

The upper shift cable and throttle cables are more straight forward. Usually, the throttle cable needs to allow the throttle to stay closed when in neutral. The upper shift cable attaches to the shift assist switch, and then the lower shift cable.

If corrosion gets the lower shift cable, usually you have no reverse, as the cable cannot contract (it has been a long time, but I think that is correct)

You might check to see if you inadvertently switched the cables.
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,966
I have a mercruiser 5.7. changed both control cables. Cannot get all working. When installed on the shifter, it seems like the cable is to short. When I shift to forward it stops and the gas does not not work. Hope I am explaining this right
Ayuh,..... Welcome Aboard,...... I moved yer thread to the Merc. I/O forum, as it has nothing to do with props, the forum I found it in,.....
 
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