I apologize if this has been mentioned but I think it's important to not that if you do end up doing this swap that your switches will no longer light up with the light switch or "Dim" (they don't really dim much anyway) because you have soldered into the power supply for your switches and not your lights. However I may have made a mistake and soldered into the wrong line. Scottyboy is this right?
LED power window switch mod 00-02 Tahoe/Yukon/Suburban
- Thread starter ScottyBoy
- Start date
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LOWHOE775
Full Access Member
This looks real good and clean, thumbs up
ScottyBoy
Full Access Member
You are somewhat correct. The door switch backlighting does not dim with the dash lighting. Its actually a separate circuit that does not dim at all. Even with the factory lighting, if you dim the dash lights all the way down, the door switch lights will stay their full brightness (which isn't really very bright to begin with).
So yes you will not be able to dim them. But as far as wiring it to the wrong circuit, you probably have the right circuit but didn't realize that they do not dim. If they light up as soon as you turn the ignition switch on, then you do have them wired wrong. They should turn off and on with the headlights just like the dash lighting. The only difference is they do not work with the dimmer on the headlight switch.
To prove this, check your fuse panel. The dash lights are on a fuse labeled "illum", and the door switch lighting is on the fuse labeled "int park".
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Ahh okay, I wired it into the ignition. I have a Silverado instead of Tahoe so same idea but a little bit different setup. I appreciate you explaining this to me and your quality info on door switches, and hvac controls.
Thanks, DacMan
Scotty, In measuring your resistance calculations to find your resistor value for the Blue LED's, what was the voltage output at the terminal with the car running? Does it jump to 14.1V or is it regulated to 12V? I am trying to replace the LED's but with Red instead of Blue and wanted to know what resistors i'm going to need. In order to figure that out I need to know the Voltage at the pins with the car on (Max Voltage). This also goes for your A/C upgrade writeup, What was the measured voltage at the panel? I am hoping that they are all the same. That would make things alot easier.
Thanks
Chris
Thanks
Chris
Smoke Em All
Full Access Member
I'm in the same boat with my '03 Tahoe....I've seen the finished product everywhere but, cannot find a write up!?
Ac19513
Member
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The resistors that you used were they 470ohm?
gettygatz4life
Full Access Member
I have a 01 Tahoe and I want to do 5mm flat top super bright white on my windows switch & ac control & head lights switch & my power mirror switch but I don't know which resistors to buy can you please help a brother out since you have the knowledge
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ScottyBoy
Full Access Member
Use a 470 ohm resistor on each LED. Just make sure that the resistor is on the positive leg of the LED.
gettygatz4life
Full Access Member
OK so when I use the 470 ohm resistor on the the 5mm led positive got that does it matter which side I put the resistor on or it doesn't matter
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ScottyBoy
Full Access Member
The resistor needs to be on the positive leg of the LED. The positive leg is the the longer leg. If you look closely at each LED, you will notice that one leg is slightly longer than the other one. That longer leg is the positive leg, the shorter one is negative. The resistor needs to be soldered to the positive leg, but the orientation of the resistor doesn't matter. It can be facing either direction, just as long as it's connected to that positive leg. So basically, one end of that resistor needs to be soldered to that positive leg I keep mentioning, and the other end of the resistor needs to be connected to +12volts power, which is the illumination circuit in whatever swith you are working on. That other leg of the LED needs to be connected to a ground.
gettygatz4life
Full Access Member
Thanks I need to be reassure because I thought I needed to buy 390 ohms resistor to do this set up but you said 470 ohms resistor is the best way to go for the 5mm yes
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ScottyBoy
Full Access Member
Yes, 470 ohm works best, unless they are wired in series. The 00-02 AC Control panels have the bulbs wired in series, so in that scenario you would use a 330 ohm resistor on the positive leg of the first LED, then the positive leg of the second LED is connected (through the circuit board ) to the negative leg of the first LED, then the negative leg of the second LED is connected to ground. They are basically wired in series like 2 batteries in a flashlight, but with a resistor on the first one.
gettygatz4life
Full Access Member
Do so have a picture or no where the hot and positive on the passenger side windows switch
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MadDogDelpho
Texcellent
Is there any thread about doing a 4x4 switch? There's threads about every set of switches, but the 4x4 switch is a mystery. Unless I'm just a crappy digger.
So my lights just went out and was curious if I can just use led strip lights instead of 5mm led bulbs figured it make things easier. Is that possible and if so would i still need a resistor? Still trying to understand the concept of resistors lol. Put a link of sample of led lights. Thamks
https://www.amazon.com/gp/product/B073NXF8B7/ref=ask_ql_qh_dp_hza <-- like the concept that i can change colors on the fly but prob stick with white
https://www.amazon.com/gp/product/B01GJ3O0J8/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1 <--- what I have already
https://www.amazon.com/gp/product/B073NXF8B7/ref=ask_ql_qh_dp_hza <-- like the concept that i can change colors on the fly but prob stick with white
https://www.amazon.com/gp/product/B01GJ3O0J8/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1 <--- what I have already
I have an 03 denali 6.0 would love to send you all my switches @ScottyBoy
Please let me know trying to contact you directly but it may not be going through
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Please let me know trying to contact you directly but it may not be going through
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ScottyBoy
Full Access Member
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