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Hello....new here 👋. I have a couple of questions. If someone has the time and knowledge, I’d appreciate it.
I am the, new to me, owner of a ‘92 Hdj81. It’s full time AWD.
I did the CDL switch mod AND the 7pin mod.

Does anyone know at what speed, in high range, is it safe to turn the CDL on? On my past vehicles...the center lock could be engaged basically, “on the fly”. I really don’t want to dynamite my center differential.

Also, would adding front manual locking hubs essentially allow me to drive around in 2wd?
 
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New Jersey
This question comes up every so often.
The CDL can be engaged at any speed as long as there's no wheel slip.
I routinely engage/disengage mine on a straight stretch of highway.
Just keep in mind that the ABS will be turned off until the next time you start.

And it's the "pin 7" mod.
 

retrofive

retrò
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Jan 6, 2008
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meridionale oregon
This question comes up every so often.
The CDL can be engaged at any speed as long as there's no wheel slip.
I routinely engage/disengage mine on a straight stretch of highway.
Just keep in mind that the ABS will be turned off until the next time you start.

And it's the "pin 7" mod.
^^^

This.

I bumped my CDL button (same setup as yours) at 70mph on the freeway. Just drove along until the next off-ramp and turned it back off (it wouldn't driving at speed for whatever reason). Checked everything at the end of the trip. No issues.
 
Joined
Mar 25, 2021
Messages
22
Location
PNW
This question comes up every so often.
The CDL can be engaged at any speed as long as there's no wheel slip.
I routinely engage/disengage mine on a straight stretch of highway.
Just keep in mind that the ABS will be turned off until the next time you start.

And it's the "pin 7" mod.
Thank you 😁
 
Joined
Mar 25, 2021
Messages
22
Location
PNW
^^^

This.

I bumped my CDL button (same setup as yours) at 70mph on the freeway. Just drove along until the next off-ramp and turned it back off (it wouldn't driving at speed for whatever reason). Checked everything at the end of the trip. No issues.
Thank you 😁
 
Joined
Mar 25, 2021
Messages
22
Location
PNW
Do you think that adding front manual locking hubs would essentially allow me to drive around in 2wd?
 

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