Isspro dimming issues
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Postmaster
Joined: Jun 2010
Posts: 2,555
Likes: 9
From: Longview, TX
Isspro dimming issues
Ok, so i installed the isspros last night. Mostly anyway, still need to get the senders in, but the in-cab part is done. Here's the issue I'm having, the potentiometer is all the way up, but when I dim the dash lights past a certain point, the isspros start to flicker, then go out completely at a certain point
So I'm thinking maybe my splice isn't working at lower voltages. I used this kind:
Before I go in and try again, I wanted to make sure I'm headed in the right direction.
So I'm thinking maybe my splice isn't working at lower voltages. I used this kind:
Before I go in and try again, I wanted to make sure I'm headed in the right direction.
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Postmaster
Joined: Jun 2010
Posts: 2,555
Likes: 9
From: Longview, TX
For the money spent, I'm hoping that's not the case... That would be very disappointing. But I'm worried you might be right. Even with dash lights all the way up, they still flickered and went out at about the same intensity using the potentiometer.
Butt-Head
Joined: Apr 2004
Posts: 9,448
Likes: 2,934
From: Reed Point, MT
It's an LED vs. incandescent thing. Google for the differences.
Just don't dim your instrument panel lights past a certain point.
Oh, and for goodness' sake....SOLDER the wire, don't Scotch Lock it.
Just to clear this up, it IS "just the way it is". LEDs are great, but they have their drawbacks.
Just don't dim your instrument panel lights past a certain point.
Oh, and for goodness' sake....SOLDER the wire, don't Scotch Lock it.
Just to clear this up, it IS "just the way it is". LEDs are great, but they have their drawbacks.
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Postmaster
Joined: Jun 2010
Posts: 2,555
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From: Longview, TX
That makes sense. The instructions are to do it that way if I read that right. The idea is to use the potentiometer to sync the intensity, and the oem dimmer controls it all.
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Elder User
Joined: Feb 2010
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Mine flickers when the headlight dimmers are down to a lower setting and as I begin to lower the Isspro potentiometer down to a certain point they flicker. Going down much past that point turns them off. They don't seem to have a full sweep from really low light output going back up to higher with the potentiometer. They seem to be fairly dysfunctional on the lower end.
I thought I had a hot wire going to my gauges that was damaged. My goal was to try and keep the gauge brightness between the Isspro's and the dash equal and I like them both with low illumination. Maybe that's just not what these gauges are capable of.
Drake
I thought I had a hot wire going to my gauges that was damaged. My goal was to try and keep the gauge brightness between the Isspro's and the dash equal and I like them both with low illumination. Maybe that's just not what these gauges are capable of.
Drake
Got Data?
Joined: Dec 2012
Posts: 4,251
Likes: 1,383
From: Lake Stevens, WA
Mine flickers when the glowplugs are on - dash gauges are a bit dimmer as well. That's how I tell when my glowplugs have shut down on dark morning startups. Flicker stops and dash brightens up.
Laughing Gas
Joined: Oct 2009
Posts: 831
Likes: 2
From: Vacaville, CA
Boy oh boy... all this talk of problems with ISSPRO lately sure makes me glad I went autometer. Wish Joe was still around to shed some light on these issues. I PM'd him on another forum, but haven't heard back from him yet.
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Postmaster
Joined: Jun 2010
Posts: 2,555
Likes: 9
From: Longview, TX
I think I'll wire the dimmers separate and just use the potentiometer for the isspros and not the use the dash dimmer. See if that fixes anything.
And fine Cody, I'll solder and heat wrap them. Need a heat gun anyway...