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Rear Diff. Lock with no button??

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Old 03-30-2010, 03:41 PM   #1
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Rear Diff. Lock with no button??

I'm buying a '98 Tacoma that has wires running to the rear diff housing at the top. However, there isin't a push button on the dash to activate it, like I've seem in other trucks. Does it lock automatically in 4L? Don't mean to ask what may be deemed a newbie question, but this is my first Tacoma with the diff. lock option. Thanks to all in advance.
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Old 03-30-2010, 03:50 PM   #2
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No, it should have the switch on the dash (or somewhere else if they moved it for some reason). I don't see why anyone would want to wire it to come on automatically with 4LO and take away the ability to engage/disengage the locker at will. I think the axle was probably swapped with an e-locker axle at some point and it was never wired up.
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Old 03-30-2010, 03:59 PM   #3
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I agree. It's confusing to me. The Truck is not a TRD, and there is no aftermarket switch on the dash anywhere. Maybe you're right, and someone swapped in a locking diff at some point...but why no activation method. Very odd.
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Old 03-30-2010, 04:04 PM   #4
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Wires running to rear diff housing on top? Probably ABS...
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Old 03-30-2010, 04:11 PM   #5
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That's the answer. Now I feel a little a little dumb, but at least I know I'm not going crazy. Thanks, toyota4x4907. It's also my first rig with ABS, so I guess that's what cornfused me.
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Old 03-30-2010, 04:13 PM   #6
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Hehe. You're welcome
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Old 03-30-2010, 04:24 PM   #7
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In my defense, the dude I'm buying it from told me that it had the locking rear. When I questioned him for the lack of a dash switch, he assumed that it was automatically engaged in 4L. Didn't seem right though. Now I know for sure it wasn't. Thanks again for clarification.
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Old 03-30-2010, 05:32 PM   #8
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Check out the link for e-locker diffs. An e-locker has a fairly obvious electric motor stuck to the side of it.

http://home.4x4wire.com/erik/diffs/
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Old 03-30-2010, 06:42 PM   #9
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Thanks for the link to the page on diff identification, RobD.
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Old 03-30-2010, 07:08 PM   #10
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My pleasure. Everyone had to start somewhere. Welcome to Yotatech.
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2010, 4runner, 91, 97, activating, add, button, diff, differential, lock, locking, rear, rr, switch, tacoma

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