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Username Post: home made posi lock?        (Topic#256813)
aerosedan42 
Contributor
Posts: 354

Loc: Oregon
Reg: 07-20-08
01-31-11 07:00 AM - Post#2039943    

I was looking at buying a posi lok for my '88 GMC last year and someone on here made thier own much cheaper. I am looking for how to do this and what I would need to do it. I hate to spend $200 if I can do it for less myself. I can use the money I save for something else car related for my '42 Chevy car.

 
Low priced Genuine GM Auto Parts
trailwart 
Contributor
Posts: 256

Reg: 04-17-08
01-31-11 05:02 PM - Post#2040188    
    In response to aerosedan42

do the actuator upgrade. you buy the dorman harness kit that includes a spacer(costs 30-50$ depending on source) and pick up a new actuator and have a bit over 100$ into it. but if your to cheap to buy new, get a used actuator from the junkyard for 10$ but the harness will cost up to 50$. you splice 1 wire and its plug and play.
Obtain the following GM part numbers:
(1) 26060073 Actuator
(1) 88959465 Harness/Spacer Kit



 
nickmac 
Frequent Contributor
Posts: 1071
nickmac
Loc: Scandia, PA
Reg: 02-13-07
01-31-11 06:57 PM - Post#2040243    
    In response to trailwart

I agree with trailwart. And I have the same GM numbers too. Don't forget to add the spacer.
Dan
'05 Chevy TrailBlazer 4.2 4x4
'04 Chevy K1500 Silverado 5.3. 4x4


 
aerosedan42 
Contributor
Posts: 354

Loc: Oregon
Reg: 07-20-08
01-31-11 07:25 PM - Post#2040261    
    In response to nickmac

Thanks. That sounds like a good way to go. Is it more reliable then? When I want 4 wheel drive I need it , like snow or ice.

 
trailwart 
Contributor
Posts: 256

Reg: 04-17-08
01-31-11 07:37 PM - Post#2040266    
    In response to aerosedan42

yes it is the way to go. i did this to my 94 and it works the same as my 99. the newer style (upgrade)is nice in a few ways, when you shut the truck down with the front engaged- it will stay engaged. with the old style actuator it would disengage. engagement is instant with new design, old style would have to heat up and engagement could be hit or miss at times.



 
trailwart 
Contributor
Posts: 256

Reg: 04-17-08
01-31-11 07:38 PM - Post#2040268    
    In response to trailwart

and yes, old style is thermal, new style is electric.

 
aerosedan42 
Contributor
Posts: 354

Loc: Oregon
Reg: 07-20-08
01-31-11 07:50 PM - Post#2040273    
    In response to trailwart

Where can you get them for a decent price? So far online it looks like at least $100 or more.

 
Matt 
Moderator
Posts: 7710
Matt
Loc: SAV
Reg: 09-26-01
01-31-11 08:18 PM - Post#2040296    
    In response to aerosedan42

  • aerosedan42 Said:
Where can you get them for a decent price? So far online it looks like at least $100 or more.



rockauto.com
car-part.com


 
aerosedan42 
Contributor
Posts: 354

Loc: Oregon
Reg: 07-20-08
02-03-11 01:13 PM - Post#2041537    
    In response to Matt

If I get both of these will it come with the spacer you mentioned? I am going to go with this setup. Changing it will make it work more reliably. Thank you for the help, you guy's are great.

 
trailwart 
Contributor
Posts: 256

Reg: 04-17-08
02-03-11 06:47 PM - Post#2041694    
    In response to aerosedan42

spacer is included in the harness kit..
when i did my 94, you have to splice into the brown wire that goes to the tcase. i made my splice inside the truck at the 4x4 shifter area. it made my splice inside the cab, out of the elements.

 
nickmac 
Frequent Contributor
Posts: 1071
nickmac
Loc: Scandia, PA
Reg: 02-13-07
02-03-11 07:05 PM - Post#2041698    
    In response to trailwart

Brown wire on my 91 also, should be the same for you too.
Dan
'05 Chevy TrailBlazer 4.2 4x4
'04 Chevy K1500 Silverado 5.3. 4x4


 
Low priced Genuine GM Auto Parts
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