How to test a front actuator

[98_k1500]

I need some info on testing a front actuator on my 4x4. The 4x4 did not work on the truck when i got it. I pulled the actuator out of my 1/2 ton and slapped it in it and it worked perfectly (complete shot in the dark tho). Went to engage my 4x4 to pull out of a ditch last night behind the shop and it won't lock in. I need some wiring diagrams or some info on testing the actuator so i can tell if i need a transfer case switch or a front actuator. Any help would be appreciated.

 

[thz71]

Just put 12v to the actuator see if it extends if it does check for 12v at the connection

 

[98_k1500]

There is more that just 2 wires going to it...

 

[thz71]

Really? Mine have always only had 2

You must be registered for see images

 

[98_k1500]

Mine has a 4 pin connector on it.

You must be registered for see images attach

 

[98_k1500]

Nobody know how to test one of these? Its the same on my 98 1/2 ton.

 

[crazymater91]

Here's a wiring diagram ive used before! Not sure if it will help you!

You must be registered for see images attach

 

[98_k1500]

Its showing a blue wire. I'll check and see if any of my wires are blue. I wonder if they went to the 4 pin plug in 96?

 

[crazymater91]

My sub is a 96 and its a two wire! Okay never mind you have what they call a 5 pin actuator

 

[98_k1500]

Yes, but there is only 4 wires in it.