I have a 2003 Ford Expedition XLT. I rarely use my emergency hazard flashers, but I used them twice last week and now I have an intermittent turn signal issue. Coincidence?
Both the left and right turn signals will cut on with the switch. After they run for a few seconds and sometimes they turn off. Now, If I flip the switch on and off a few times they will always cut back on. Sometimes when I turn them on, they make an odd stutter step sound for a beat or two.
I replaced all four turn signal bulbs today. Before I put the new ones in, I cleaned the bulb holders with a small bottle brush just to make sure there I didn't have a corrosion issue with contacts.
I am not sure if that fixed it or not, but will drive it and try it.
In case this doesn't fix it, I went ahead and read lot's of threads on the subject. I think these might be good steps for me follow to isolate the problem. Please check my math on this...
1) Pull fuses #2 and #18 (Turn Signals) check and replace if needed.
2) Pull fuses #36 and #42 (Trailer Turn Signals) and leave them out. If the problem stops, I figure I have something going wrong with the circuits to the trailer wiring that I can work on later.
3) Pull the shroud off the steering column and carefully check the wiring pins as they enter the back of the plastic connector shells into the multifunction switch
Is there a safe way to clean these contacts?
4) Replace the turn signal relay (under the driver’s dash)
5) Replace the multifunction switch
Both the left and right turn signals will cut on with the switch. After they run for a few seconds and sometimes they turn off. Now, If I flip the switch on and off a few times they will always cut back on. Sometimes when I turn them on, they make an odd stutter step sound for a beat or two.
I replaced all four turn signal bulbs today. Before I put the new ones in, I cleaned the bulb holders with a small bottle brush just to make sure there I didn't have a corrosion issue with contacts.
I am not sure if that fixed it or not, but will drive it and try it.
In case this doesn't fix it, I went ahead and read lot's of threads on the subject. I think these might be good steps for me follow to isolate the problem. Please check my math on this...
1) Pull fuses #2 and #18 (Turn Signals) check and replace if needed.
2) Pull fuses #36 and #42 (Trailer Turn Signals) and leave them out. If the problem stops, I figure I have something going wrong with the circuits to the trailer wiring that I can work on later.
3) Pull the shroud off the steering column and carefully check the wiring pins as they enter the back of the plastic connector shells into the multifunction switch
Is there a safe way to clean these contacts?
4) Replace the turn signal relay (under the driver’s dash)
5) Replace the multifunction switch