low voltage turn signal lamp
My 06 Odyssey front right turn signal bulb (7440-A) stopped working. Replaced the bulb but still no go. Emergency flasher flashes 3 of the 4 amber lamps, but right front still out. I tested voltage at the left front and read 11.6 V. But at the right front socket (or wiring connector behind it) I only get 10.0 V. Since I've tried 3 new bulbs and none light, I assume the bulbs require more than 10.0 V to operate.
Should I check for a loose ground? (G201 and G701). Maybe a frayed hot wire somewhere? If the relay were bad (which I've read operates emergency flasher and all turn signals), then my other lamps would not be working. It could also be a bad or corroded contacts in my steering column stalk switch. Is there a good way to check that?
It would be easier if I could find an amber bulb to fit that will operate on 10 V, but I guess that is asking too much.
Any ideas? Many thanks in advance. This vehicle is being driven on a failed inspection and I have about 2 weeks to get this fixed or incur the wrath of the gendarmes.