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3G Acura TL Climate Control Display Lights

If your climate control bulbs aren’t lighting up this article should help you determine the cause. First a disclaimer everyone’s situation is different the reason your bulbs may not be working may not be the same reason as someone else, if you proceed to troubleshoot and cause damage to your vehicle you are solely responsible.

My situation is: 

Only a few lights don’t work:

This is most likely due to bad bulbs please check your Acura parts source for the correct part number for your vehicle Type S bulbs are different. Here are the common part numbers



None of my lights work:

The first step here is to check your fuses and make sure none are blown the TLs electrical system is pretty tied together and if one fuse goes out it sometimes takes out another, also the illumination fuse is under the hood and in the kick panel so both must be good for the lighting to work correctly.

All of my my fuses are good but no lights work:

This is the worst one. According to and other posts/forums this leads to the electronics within the climate control display going bad. This happens when you put a bulb in the wrong orientation or put the wrong bulb in a location. This means that the electronics inside the board must be repaired and we currently don’t know anyone who does this repair. This almost always leads to just having to replace the climate control display. If you have navigation yes this means the entire navigation screen.  Before condemning the climate control you can try replacing the bulbs to see if maybe they all just went out at once, this can happen but it is very rare.

Climate control displays are not interchangeable between all TLs only from models 04-06 and then 07-08 so a 2008 display will not work in a 2004 and vice versa.

Can I replace the bulbs with LED lights?

Yes you can we don’t really know too much about this topic but you would need nano wedge bulbs that are 14v and 8v and the color you want them to be.

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Acura TL Aftermarket Radio DIY KIT Instructions

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Disclaimer: Installing an aftermarket radio in your Acura TL will result in the loss of factory route navigation guidance, the loss of center channel audio and the loss of certain hands-free functionality within the factory system. All these features are easily obtained in your new aftermarket radio along with an amazing improvement in sound quality.

Notice: The following instructions will help you wire together our DIY kit with your aftermarket radio and steering wheel control adapter.  We will refer to the blue plug as connector A and the grey plugs as connector C26 & C40. On Acura’s from 2004 to 2006 you will find connector A & C26. On Acura’s from 2007 to 2008 you will find connector A, C40 & D(antenna connector). There is also a white plug on all Acura’s that is not used when installing and aftermarket radio it is for the factory XM unit.

A1YellowConstant 12V
A3White(RCA)Front Left + RCA
A4Red(RCA)Front Right + RCA
A5White(RCA)Rear Left + RCA
A6Red(RCA)Rear Right + RCA
A8Red/BlackSteering Wheel Control +
A9RedSwitched 12V
A10BlueFM Power Antenna (04-06)
A13Black(RCA)Front Left – RCA
A14Black(RCA)Front Right – RCA
A15Black(RCA)Rear Left – RCA
A16Black(RCA)Rear Right – RCA
A20BlackSteering Wheel Control –


Pin C26ColorFunction
C3BlueFactory Amp Turn On
C13White(RCA)Sub + RCA
C25Black(RCA)Sub – RCA


Pin C40ColorFunction
C2BlackSub + RCA
C22BlackSub – RCA
C35Black(RCA)Factory Amp Turn On


Pin DColorFunction
D2BlackAntenna Signal FM/AM
D3BluePower Antenna (FM/AM)


The 2007 to 2008 Acura TLs do not have pin A10 instead the power antenna 12V signal must be connected to pin D3. Pioneer radios only provide one blue wire for amp turn on and power antenna connect both blue wires D3 and C3/C35 to that blue/white wire to have full functionality. Kenwood’s and Alpines offer an amp turn on wire along with a power antenna wire be sure to match each wire to the correct one.

The steering wheel control interface needs to connected to pin A8 Steering wheel control positive, with our harness pin A20 is already connected to ground. If you have any questions or are stuck please call us at 631-538-0068 or email us at Thank you for your business and congratulations on the new radio!

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Acura TL Aftermarket Radio No Sound | Not Working

Did you install a new aftermarket radio in your Third Generation(2004,2005,2006,2007,2008) Acura TL? Is the aftermarket radio powering on but you don’t hear anything through the speakers?or Do you get sound through the speakers but it gets very distorted at higher volumes? Is your factory navigation touchscreen not working after the install? If you are experiencing any of these symptoms you are in luck because we have the solution for you whether you have an 04-06 or an 07-08 Acura TL.

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Acura TL Factory Amplifier Replacement

Are you not satisfied with the sound quality of your Acura TL’s factory sound system? Are you starting to consider replacing the factory amplifier? We recommend you start with replacing the stereo if you are really looking for the best bang for your buck when it comes to upgrading. If you are set on upgrading the factory amplifier the information below should help.

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Acura TL Factory Subwoofer Replacement

Are you looking to add more bass to your Acura TL? You would be surprised at the upgraded sound quality and bass if you upgrade your factory radio and use the factory speakers. You can find more information on that here. If you are a bass head or have already made your mind up that you are going to get rid of the factory subwoofer once and for all prepare for a challenge my friend.

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