Question about Isspro EV2's
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Cargo Master
Joined: Feb 2005
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Question about Isspro EV2's
Ok, for fear of sounding like I'm on drugs, I have a question about my new gauges. It seems like they have a way of knowing when its dark outside. I swear, if I turn my lights on in the daytime and cover the gauges with my hands to see if the lights are working, they don't light up. But they always seem to work once the sun has gone down. I went so far as to re-do all of the wire splicing last night, and they magically started working. Then today, I tried to cover them with my hands again with the lights on, and again they weren't lit. And of course, once it was dark outside, they were working fine. I am pretty sure I didn't drop any acid today. Does this sound normal?
Thanks
Thanks
Posting Guru
Joined: Feb 2009
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From: Blaine, TN
Bob, I hope I didnt mess anything up when I installed yours. I dont see how they could be doing that, the power I ran to the lights was the brown wire for the parking/headlights. Go out to your truck in the daylight and check them again with the lights on, if they are not lit, try covering the light sensing bulb on the top of the dash in the middle next to the windshield with a rag.
Again, i'm not that familiar about what all guages can do these days, only how to install them. I hope it gets sorted out soon man.
Again, i'm not that familiar about what all guages can do these days, only how to install them. I hope it gets sorted out soon man.
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Cargo Master
Joined: Feb 2005
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Cory,
I have to admit that I was kind of hoping that you wouldn't see this thread because you did such a good job installing them I didn't want you to think I was second-guessing your work. Like I said, everything works fine. And when its actually dark outside the lights on the gauges work perfrectly fine. I took apart all of the wiring you did on the dimmer for the gauges just to check them out and everything looked fine. Then when it got dark, the gauges lit up fine. I tried covering the light sensing bulb, and it did affect the headlights when I put the switch in the automatic position, but didnt seem to affect the gauges. I am at a loss. The thing is, I'm not really worried about it because they are working fine, I just want to make sure I'm not going crazy
.
I have to admit that I was kind of hoping that you wouldn't see this thread because you did such a good job installing them I didn't want you to think I was second-guessing your work. Like I said, everything works fine. And when its actually dark outside the lights on the gauges work perfrectly fine. I took apart all of the wiring you did on the dimmer for the gauges just to check them out and everything looked fine. Then when it got dark, the gauges lit up fine. I tried covering the light sensing bulb, and it did affect the headlights when I put the switch in the automatic position, but didnt seem to affect the gauges. I am at a loss. The thing is, I'm not really worried about it because they are working fine, I just want to make sure I'm not going crazy
.
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Cargo Master
Joined: Feb 2005
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Oh, and I wanted to point out that I think this same phenomenon may be what caused the gauges not to light up when you first installed them on Saturday. If you recall, they were wired for power initially, then when they weren't lighting up you went back and re-worked the wiring. I'm not exactly sure what you did when you re-worked them, but they started working. I am not sure it wasn't just because it got darker in the hour or so it took for you to do that.
Posting Guru
Joined: Feb 2009
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From: Blaine, TN
Cory,
I have to admit that I was kind of hoping that you wouldn't see this thread because you did such a good job installing them I didn't want you to think I was second-guessing your work. Like I said, everything works fine. And when its actually dark outside the lights on the gauges work perfrectly fine. I took apart all of the wiring you did on the dimmer for the gauges just to check them out and everything looked fine. Then when it got dark, the gauges lit up fine. I tried covering the light sensing bulb, and it did affect the headlights when I put the switch in the automatic position, but didnt seem to affect the gauges. I am at a loss. The thing is, I'm not really worried about it because they are working fine, I just want to make sure I'm not going crazy.
I have to admit that I was kind of hoping that you wouldn't see this thread because you did such a good job installing them I didn't want you to think I was second-guessing your work. Like I said, everything works fine. And when its actually dark outside the lights on the gauges work perfrectly fine. I took apart all of the wiring you did on the dimmer for the gauges just to check them out and everything looked fine. Then when it got dark, the gauges lit up fine. I tried covering the light sensing bulb, and it did affect the headlights when I put the switch in the automatic position, but didnt seem to affect the gauges. I am at a loss. The thing is, I'm not really worried about it because they are working fine, I just want to make sure I'm not going crazy
.
Posting Guru
Joined: Feb 2009
Posts: 1,325
Likes: 4
From: Blaine, TN
Oh, and I wanted to point out that I think this same phenomenon may be what caused the gauges not to light up when you first installed them on Saturday. If you recall, they were wired for power initially, then when they weren't lighting up you went back and re-worked the wiring. I'm not exactly sure what you did when you re-worked them, but they started working. I am not sure it wasn't just because it got darker in the hour or so it took for you to do that.
I'm at a loss too lol, just pass that acid
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Postmaster
Joined: Jul 2006
Posts: 4,993
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From: Bend, OR
I didnt read the thread in its entirety, but it sounds like your truck has auto head lights on it, and you hooked the lighting up to the wires that run the headlights, not the gauge lights. If you use a test light and find the wire that dims when you dim the lights, thats the one you want.
Also, keep in mind that when you dim the factory gauges the Isspros dim at a bit quicker rate and you may not be able to see them without the gauge lighting turned all the way up...
I test for Isspro, and I will also point Michael (Isspro) if you continue to have issues...
Also, keep in mind that when you dim the factory gauges the Isspros dim at a bit quicker rate and you may not be able to see them without the gauge lighting turned all the way up...
I test for Isspro, and I will also point Michael (Isspro) if you continue to have issues...
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Posting Guru
Joined: Feb 2009
Posts: 1,325
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From: Blaine, TN
I didnt read the thread in its entirety, but it sounds like your truck has auto head lights on it, and you hooked the lighting up to the wires that run the headlights, not the gauge lights. If you use a test light and find the wire that dims when you dim the lights, thats the one you want.
Also, keep in mind that when you dim the factory gauges the Isspros dim at a bit quicker rate and you may not be able to see them without the gauge lighting turned all the way up...
I test for Isspro, and I will also point Michael (Isspro) if you continue to have issues...
Also, keep in mind that when you dim the factory gauges the Isspros dim at a bit quicker rate and you may not be able to see them without the gauge lighting turned all the way up...
I test for Isspro, and I will also point Michael (Isspro) if you continue to have issues...
Postmaster
Joined: Jul 2006
Posts: 4,993
Likes: 2
From: Bend, OR
I hooked up his gauges with a separate dimmer switch, the dimmer switch had 3 wires, one for power( I used the brown wire on the back of the headlight switch for parking/headlights), one for a ground, and one wire going to the gauges. I'm not quite sure what would have been wrong
Not sure why you would add a second dimmer to the system, but that should not cause an issue.
Like I said, the only thing I can think of is the wire you chose for power is also the same wire that is controled by the auto lights. Does he have the auto light switch?
Might switch to a wire that only has power when the parking lights are on. If its not set up that way already.
Also might pull the seperate dimmer out of it, wire it to a wire that dims with the factory gauge lights, just to see if that takes care of the issue.
Posting Guru
Joined: Feb 2009
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From: Blaine, TN
Not sure why you would add a second dimmer to the system, but that should not cause an issue.
Like I said, the only thing I can think of is the wire you chose for power is also the same wire that is controled by the auto lights. Does he have the auto light switch?
Might switch to a wire that only has power when the parking lights are on. If its not set up that way already.
Also might pull the seperate dimmer out of it, wire it to a wire that dims with the factory gauge lights, just to see if that takes care of the issue.
Like I said, the only thing I can think of is the wire you chose for power is also the same wire that is controled by the auto lights. Does he have the auto light switch?
Might switch to a wire that only has power when the parking lights are on. If its not set up that way already.
Also might pull the seperate dimmer out of it, wire it to a wire that dims with the factory gauge lights, just to see if that takes care of the issue.
He does have the auto light switch, but I dont think it would have made a difference if he put the switch in the park or headlight position and not the auto.
The wire that the lights recieve the voltage for lighting from is the brown wire on the back of the headlight switch that is a constant 12v in either the park light or headlight position(aswell as auto lights), and those 2 positions only. So when (and only when) any of the truck lights are on, the gauges should have voltage for lights.
I'm not sure there is any other wire in the headlight switch that has V only when the park lights are on other than that brown one I tapped into, idk though I may be wrong.
Like you said, about the only thing he can do is to wire it to the factory dimmer and see if that cures it. Hopefully it is something simple and easy.
Postmaster
Joined: Jul 2006
Posts: 4,993
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From: Bend, OR
Thats what I would do, elminate the dimmer and try that. I am not sure why Clay is having you add a seperate dimmer, in over 100 installs I have never installed one. I have added Resistors to Cobalts to make them match the factory dash a bit but thats about it....
Could be a bad dimmer, or a loose connection. Check the first data buss connector on the back of the first gauge in the loop, make sure the wire is completely bottomed out in the orange connector.
Could be a bad dimmer, or a loose connection. Check the first data buss connector on the back of the first gauge in the loop, make sure the wire is completely bottomed out in the orange connector.
Postmaster
Joined: Jul 2004
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From: Yuba City, CA.
I THINK(?) He reccomends adding the dimmer Because they dim at a different rate then the dash. I don't want to speak for him though. I think it's to trim back the gauge lighting a bit when you have the dash lights on full power so they don't overwelm you.
Postmaster
Joined: Jul 2004
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From: Yuba City, CA.
I hear you. My EV2's don't seem to bright either when all the way up, but they do sure dim out quick when you move the truck dimmer.