Factory Service Manuals (FSM) download links

Joined
Sep 12, 2010
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I am in need of the service manual that is specific for the HJ61 cable locking differentials. The 84-90 FSM only discusses limited slip and open diff. Any help is appreciated. Thank you.
 
Joined
Mar 4, 2016
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Boulder, Co
I am in need of the service manual that is specific for the HJ61 cable locking differentials. The 84-90 FSM only discusses limited slip and open diff. Any help is appreciated. Thank you.
You may find it in one of these manuals...

I think your truck probably has a full float rear axle if I’m not mistaken. All the US trucks have semi float as far as I know. But I’m not an axle guru by any means.
 

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