You've probably got a blown bulb, probably in the back. Look harder. Turn
signals are usually two bulbs, so if one is cooked the blinkers will still
"work", but the lesser electrical load on the system makes it blink faster
and the blink isn;t as bright.
Don't you mean the greater load of a dead-short filament? I KNOW it
is*greater* load, such as when you add trailer lights. This is because the
blinker works by heating a bi-metal strip to connect/disconnect. I bet it's
either a shorted single filament bulb, or the second filament in a dual
filament bulb. Maybe a slight short?
okay, i'll check that... i've only had the truck for 3 weeks and don't
know how the signals are set up.. i just assumed that if the bulb was
gone that particular indicator wouldn't light up at all... my ford is
that way lol...
thx for the help
Per this reference:
KJ is correct about increased load increasing the flash-rate.
Could be a 'dead sort filiment', a broken filiment that fell onto the
wires (making it shorter), or the flasher-unit itself.
You could try removing 1 bulb at a time looking for a flash rate
closer to normal.
You may be correct on auto-bulbs. I have seen 110v bulbs
with partly-broke filiments that 'reconnect' when you shake or
rotate the bulb to a certain angle. They were usually brighter
and didn't last long.
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