This a late post on starter issues but thought I would share the fix to my ongoing starter problem with my 1990 Suburban. Totally rebuilt this truck for the second time about a dozen years ago. The rebuild was a body off restore which included engine, tranny, and rear end rebuild. For a number...
A little off subject from replacing the door wiring harness but is related to the harness. The electric windows on my 90 suburban were always very slow to move up/down. Even after replacing window motors they were sluggish and only got slower in time.
While looking for a part from LMC I found...
I did not take that pin apart. Once cleaned and reassembled the smaller of the vacuum ports will not allow air in or out. You can test by blowing or drawing on the port.
Here's what I did to fix my cruise control problem.
Symptoms:
Was only occasionally working. Eventually quit working altogether.
Diagnosed all the wiring and everything was correct.
Replaced the cruise brake switch...didn't fix the problem.
Replaced the cruise lever...didn't fix the...