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"Quality" dash knobs?

2021 Arizona International Harvester Rendezvous

scorp1us

High Wheeler
Joined
Jul 28, 2009
Messages
1,495
Points
38
Location
Baltimore, MD
I've replaced my headlight switch once already, but my dash lights still flicker. It seems that all the switches are identical construction to 40 years ago. Does anyone make a quality or more modern construction version of the switch?

At the same time is there a wiper switch to that adds intermittent function to the wipers?

Thanks.
 

walkersscout

High Wheeler
Joined
Oct 5, 2005
Messages
1,625
Points
83
Location
AZ
Flicker is generally voltage regulations not switches. Check your grounds and your VR.
 

Dana Strong

Lives in an IH Dealership
Joined
Apr 4, 2008
Messages
6,144
Points
113
Location
Sunnyvale, Ca.
I've replaced my headlight switch once already, but my dash lights still flicker. It seems that all the switches are identical construction to 40 years ago. Does anyone make a quality or more modern construction version of the switch?
What makes you think the flickering is due to a bad switch and not a poor ground or perhaps a bad connection somewhere in the wiring to the lights? Those switches seemed well built, when I last looked at one.

"Quality" dash knobs?
Also, what the heck does this thread have to do with Knobs?​


.​
 
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scorp1us

High Wheeler
Joined
Jul 28, 2009
Messages
1,495
Points
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Location
Baltimore, MD
Well my dash went out last night. So I pulled on the head light switch, and it came back. I fiddled with it, tugging, rotating the dimmer in an organized fashion, as to ascertain the cause. While trying to keep the switch body from moving, the lights flickered as I rotated the dimmer, so that makes me think it's a bad switch.
 

Jeff Jamison

Lives in an IH Dealership
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Oct 11, 2001
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Aliquippa Pa
The switch itself needs a good ground to operate the lights,remove switch,sand back of dash and reinstall.
 

jeff campbell

Moderator
Staff member
Joined
Jan 8, 2003
Messages
16,087
Points
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Location
lima,ohio
here's what you need ?
DSCF2918-S2 H.L.sw.JPG
DSCF2919-H.L.sw S2.JPG
 

Greg R

Lives in an IH Dealership
Joined
Mar 23, 2002
Messages
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Lebanon, OR
It could very well be the dimmer. I ran into this same thing some years ago on the 68 800 and the 71 1210. In both cases the light switches were replaced because of age and non-functioning head lights. The older switches regulated voltage/dimness perfectly to the dash lights. The new switches gave spotty dash light dimming. Try as I could, and an exchange for the 1210 where I was lucky to get any dash lights, I figured it was the cheap rheostat/dimmer in the new switches. I checked grounds, cleaned all connections, and nothing improved. What I found on what I think is the reason is the old rheostats on the old switches had a copper wiper and fine turns of wire on the resistor band. The new switches' dimmers seemed a lot cruder. They didn't have as many turns of wire and the wiper was bright metal, maybe zinc plated steel; and the mechanical action was sketchy compared to the smooth feel when rotating the old ones. As long as I have "some" lights, I live with it.
 

bull

Binder Driver
Joined
Aug 14, 2010
Messages
929
Points
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Location
some where in the ether
I like those black knobs...far as headlight switch the taco built is poor.. i had to go thru 3 of them to find one that would latch onto the knob properly..the rheostat aint great either....if jeff has a usa built switch you should snag it if price is reasonable...generally i find all mexican built parts are poor and a far cry from what they use to be
 

mallen

Y-Block King
Joined
Sep 26, 2012
Messages
3,842
Points
113
Location
Sacramento,California
I've replaced my headlight switch once already, but my dash lights still flicker. It seems that all the switches are identical construction to 40 years ago. Does anyone make a quality or more modern construction version of the switch?

At the same time is there a wiper switch to that adds intermittent function to the wipers?

Thanks.

Does it flicker with the engine off? Or just with it on?
 

Zaedster

Farmall Cub
Joined
Oct 4, 2014
Messages
69
Points
8
Location
Grass Valley
I got one NOS USA made Delco headlight switch left if you don't want to go with the new ones.
131477-17c545d498cda0ca2ea7123d7d33aa25.jpg
 

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jtorre4272

High Wheeler
Joined
Nov 19, 2014
Messages
1,855
Points
113
Location
Dearborn, MI
I like those black knobs...far as headlight switch the taco built is poor.. i had to go thru 3 of them to find one that would latch onto the knob properly..the rheostat aint great either....if jeff has a usa built switch you should snag it if price is reasonable...generally i find all mexican built parts are poor and a far cry from what they use to be
I completely agree on the headlight switches from Standard Motor Products out of Mexico. I installed a new one, which immediately felt cheap compared to original USA one, and lighter, with less quality parts such as the rheostat. It was also faulty as the dome light ground circuit had very high resistance and did not function when knob turned. I threw it in the trash, cleaned up my original switch, used some dielectric grease, and reinstalled. It feels more tight when being turned as well. I learned my lesson.
 

kdsmit

Binder Driver
Joined
Apr 7, 2015
Messages
660
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63
Location
Delton,MI
Nice knobs! I have been searching for some, with no luck. Thanks for the post!
 
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