blinker problem and grounding question

[shawnsBrain66]

I have a 1973 F100.
The blinkers on this truck work but they are dim when they blink, and kind of a fast pulse. I've been reading some posts and it seems that wires/corrosion/grounding seems to be the answer.

I haven't replaced the flasher unit because it is a separate flasher for the blinkers and the emergency flashers, but they do the same think (blink dim and quickly) so I think it's unlikely that both flashers are bad.

Because of that, I think it has something to do with the grounding.
I'm assuming that because it does it at all 4 corners, it isn't a local grounding issue per light, but something closer to the flasher.

Does that make sense? If so, where would be the best place to check/replace the ground?

Other ideas?
Thanks!

 

[Workin' Rig]

Check the grounds on the tallight themselvs. Chances are thats it.

 

[LEB Ben]

The sockets are where 99% of the ground issues I've had with my lights have been.

 

[shawnsBrain66]

Well I cleaned the connections and re-grounded the tail lights and that seemed to of fixed the "dim" problem. I'm going to change the flasher unit anyway because the blink is still sort of erratic. I'm starting to wonder if the guy who owned the truck before me replaced the flasher with the wrong one. Thanks a lot for the advise!

 

[Mil1ion]

Always use an HD-12 so you don't get quick flash.

You may want to check all the brass connections on the printed circuit.
They corrode real bad in hot humid climates.
They probably need cleaning. Use an eraser or electrical cleaner.

 

[shawnsBrain66]

The new flasher unit did the trick.
Blinkers all work great now, except for on the dash
At least I got a "loud" blinker so I can hear it click.

thanks

 

[shortbed]

I had to laugh about the loud blinker. I always make sure I buy the loud ones too.
and a side note: today on my way to the parts store I look at the oncoming traffic and there is another old old truck like mine (78 4 wheel 150). He's got a primer patchwork like mine and just as I see him he sees me and we both nod at the same time . . . some kind of little payoff.

 

[Beach66Bum]

I had to laugh about the loud blinker. I always make sure I buy the loud ones too.
and a side note: today on my way to the parts store I look at the oncoming traffic and there is another old old truck like mine (78 4 wheel 150). He's got a primer patchwork like mine and just as I see him he sees me and we both nod at the same time . . . some kind of little payoff.

that's Ford bonding

what I really like about having my Ford truck