did some digging around looking for TJM owners, or potential ones:
https://forum.ih8mud.com/threads/aftermarket-diff-locks-for-a-fj80-1991.1278870/#post-14343623
@Rusty Marlin did you ever get TJMs installed? if so, do you have anything to share?
found another TJM install thread...
Alrighty then, I did some researching last night about the 3 (by research I mean watching youtube videos while almost asleep)
Here is a video from Harrop themselves about the engagement / and what happens when you go into reverse / drive:
I also watched a video from someone who showed a good...
whew, this is dangerous path of thinking
if I get ARBs
might as well install the compressor in the cabin
which means I probably should get a QPM
and if I got that far, might as well switch to a dual battery setup
and with dual batteries, a switchpro would be cool