2003 excursion
turned switch to 4hi today and nothing. no 4x4, no dash light. I did some research and found half a dozen related fuses that all tested good.
Two things I noticed:
1.) The dash light does not come on like normal when all the others do at start-up. I think they call that "proving out"
2.) I found some info that said to check for voltage at center pin of vacuum solenoid (for the hubs) with 4 hi selected. What I found is that with the key on, there is power to that pin regardless of what is selected on switch (2wheel or 4 wheel)
Any insight would be appreciated, Thanks.
turned switch to 4hi today and nothing. no 4x4, no dash light. I did some research and found half a dozen related fuses that all tested good.
Two things I noticed:
1.) The dash light does not come on like normal when all the others do at start-up. I think they call that "proving out"
2.) I found some info that said to check for voltage at center pin of vacuum solenoid (for the hubs) with 4 hi selected. What I found is that with the key on, there is power to that pin regardless of what is selected on switch (2wheel or 4 wheel)
Any insight would be appreciated, Thanks.