sweet4evr24

the four wheel drive i get no lights on the push button four wheel drive switches i tried changing the switch still the same problem what do i do next

Siliconasp

You need to have the computer scanned for code errors, pretain to this issue. Also you might need to have the actuator check for failure.

sweet4evr24

for the ideas. i don't have a scanner to scan the drive train so it's goin next week to the shop to be check thank you again

jetncomptech

My 2001 blazer did that and it was a vacuum line off near the upper center firewall on some sort of small valve , replaced the line no more issues. Another part of the vacuum lines runs under the battery box & you have to take the box out to get to it.