80 series centre diff lock

Post by **tuffer_2.4** » Thu May 15, 2008 6:58 pm

my 80 series centre diff lock isnt working when i press the button, im wanting to change to manual hubs so how do i go about getting it to work? Has this happened to many people?

Post by **XXL_45L_CRUISER** » Thu May 15, 2008 10:07 pm

hay mate yes i am another one that has this problem my center diff button isnt working either

Post by **tuffer_2.4** » Thu May 15, 2008 10:37 pm

ok i have checked my fuse and its still good so i have no ideas
Im thinking of doing a part time kit when i drop in my 1hz so hopefully i can over come the problem that way unless someone else can shed some light

Post by **udm** » Sat May 17, 2008 2:45 am

tuffer_2.4 wrote:Im thinking of doing a part time kit when i drop in my 1hz so hopefully i can over come the problem that way unless someone else can shed some light

even if you do a partime conversion you will need to get the centre diff lock sorted, otherwise it wont go to 4wdmode, it will just stay in 2wd.

Post by **djroberts** » Sat May 17, 2008 4:40 pm

does the centre diff still engage when you shift into low range?

Post by **pootrollin** » Sun May 18, 2008 8:22 am

Have yo check the motor and relay?

Post by **Trusa** » Sun May 18, 2008 9:56 am

pootrollin wrote:Have yo check the motor and relay?

You should be able to here the motor from the drivers seat with the door open when you press the button.

Post by **pootrollin** » Sun May 18, 2008 10:07 am

Trusa wrote:
pootrollin wrote:Have yo check the motor and relay?
You should be able to here the motor from the drivers seat with the door open when you press the button.

If the motor or the relay is stuffed, you wont hear them.

Post by **oldmate** » Sun May 18, 2008 6:40 pm

mine didn't work when i bought it. It turned out to be a broken earth to the transmission loom.

Get a wiring diagram, and hook a 9 volt battery up to the motor to see if you can get it to lock/unlock. Don't use an unregulated 12 volt source as it may burn the motor out. This will tell you at least if the motor is stuffed.

some people in the states have got theirs working by shifting high to low hundreds of times, or by driving around in tight figure eights in low or the button pressed. this may free up the actuator if it's a bit stuck from lack of use.

There is also a procedure for testing the 'transmission control relay' which is inside the drivers side kick panel.

otherwise you may have to pull the motor out and open it up. pulling it out isn't an easy task, and you'll have to lower the gearbox a fair bit to get in there

search ih8mud.com it's been covered there many times

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80 series centre diff lock

80 series centre diff lock

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