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post #1 of (permalink) Old 03-25-2017, 10:56 AM Thread Starter
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Cluster High Beam Indicator

Does anyone know which wire for the cluster connector sends power to the high beam indicator on the cluster?
My high beams work fine, but the indicator doesn't turn on on the two clusters I've tried.


~Joe~

04 Impala LS

LED cluster, HVAC, headlights, interior lights
Dual Stainless Xlerators
Stainless Xlerator Resonator
4 inch Stainless Tips
ZZP DP
ZZP PCM
ZZP 180 drilled t-stat
Optima Red Top battery
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Police LCA's
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post #2 of (permalink) Old 03-25-2017, 11:48 AM
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If there is an issue it could be Related to the BCM.. However for the wire that turns on that it would be A7 from the BCM to your IPC

However it also could be related to the Indicator Signal from the Highbeam Pink wire to your BCM. However if that was the case there might be CEL/MIL or a Light out because that is where it test that the system is working...

B10 Connector 1 (Pink One) on the BCM is the one that is connected to the High beams. There should be Ground there when your Highs are on. If your DRL is running it would be around 6V there on that line. Without anything just key on not in gear it would show 12V

James
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post #3 of (permalink) Old 03-25-2017, 12:02 PM
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Sorry I forgot, that Wire at A7 is also a Data Line. So it could be hard to test if it is working or not. If 2 IPCs were used and both don't have the High beam light it does sound there is a different issue for sure...

About the Pink connector sorry I thought I better Expand on the Answer that I used. When I said light out. Sorry I meant to say it could by that wire send a Headlight out if it was the case...

So an Easy way to test where the issue is! Take one your High Beams out of the socket and start the car. You should get a Message that says High beam out or something like that LOL... It would be on the little Window where security and low coolant message door open and such is displayed.

if you don't have a CEL it is a good chance that wire is working already but is good to test anyway lol

Again. The A7 Wire is a Data line from the BCM to the IPC and may not display anything if tested with a DVOM/DMM or test light. With a Scope it would show something. I am not sure it could display something. Kind of like the Data LInes that make the ACC work on the factory Radio but don't work on the aftermarket system unless there is a Filter system put in place... One day I should take one apart and see what they did to make them work. Just don't have an extra 40 or 50 to spend on taking one apart lol

James
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post #4 of (permalink) Old 03-27-2017, 06:52 PM Thread Starter
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Quote:
Originally Posted by Revo2Maxx2016 View Post
Sorry I forgot, that Wire at A7 is also a Data Line. So it could be hard to test if it is working or not. If 2 IPCs were used and both don't have the High beam light it does sound there is a different issue for sure...

About the Pink connector sorry I thought I better Expand on the Answer that I used. When I said light out. Sorry I meant to say it could by that wire send a Headlight out if it was the case...

So an Easy way to test where the issue is! Take one your High Beams out of the socket and start the car. You should get a Message that says High beam out or something like that LOL... It would be on the little Window where security and low coolant message door open and such is displayed.

if you don't have a CEL it is a good chance that wire is working already but is good to test anyway lol

Again. The A7 Wire is a Data line from the BCM to the IPC and may not display anything if tested with a DVOM/DMM or test light. With a Scope it would show something. I am not sure it could display something. Kind of like the Data LInes that make the ACC work on the factory Radio but don't work on the aftermarket system unless there is a Filter system put in place... One day I should take one apart and see what they did to make them work. Just don't have an extra 40 or 50 to spend on taking one apart lol

James


Yes I did have a high beam out message when my load resistor for the LED headlight went out. I replaced that and the high beam out message went away.
I should've mentioned I have converted both ICPs to LED including the brights indicator which worked fine on the first cluster for a couple months. Then one day the gauges would go in and out while the brights indicator would flash and eventually it stayed on continually while running the car for a few days. Then it went out and hasn't worked since on either cluster.
The Scope you are talking about, is it something I can purchase and test it or is that a shop or dealer thing?
Thanks for the ideas!


~Joe~

04 Impala LS

LED cluster, HVAC, headlights, interior lights
Dual Stainless Xlerators
Stainless Xlerator Resonator
4 inch Stainless Tips
ZZP DP
ZZP PCM
ZZP 180 drilled t-stat
Optima Red Top battery
Tubular trailing arms
Police LCA's
Police brakes
Dorman solid sway bar
Many more mods to come!
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post #5 of (permalink) Old 03-27-2017, 08:05 PM
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In that case, I wouldn' t buy a scope unless your going to do a lot of Electronics work. Fluke has one but with most scopes they are not cheap. The fluke 123 is more then enough to use with Cars. Also best to use one that is more for Automotive then one made for the bench.

So with saying that you changed out your bulbs I would suspect there is an issue with the Resistors you used or maybe even the LEDS. Where did you get the LEDs? Was the Resistors choose with the right Voltage in mind? I ask this because most times people buy LEDs and then do the math for 12v problem is that without some other things added into the circuit most times the cars Volts are over 12v and so things heat up and burn out faster then they should.

Did you do the update to both IPC or just the one and you used the other one with normal bulbs to see if that worked?

If you have the ability to check with a DVOM/DMM I would test between Connector 1 Pin A5 on the BCM and A7 on the IPC for continuity. This should be tested with the Connectors unplugged. If you do something different do so at your own risk. Also at the BCM this wire would be Light Green and at the IPC it is Gray or Grey where ever I am from lol. I can never spell that darn color and every time I spell it different lOL

I would also maybe test that you have your Voltage from the Fuse box to your IPC. There is a fuse inside Left Box, Cluster/Bcm and same box ECM/BCM So the first one is connected at IPC A1 12v Full time. The second one is A8 and is only 12v when car is on and start. Also would check Black/White at A4 of IPC for ground and also A2 black for ground

James
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post #6 of (permalink) Old 03-28-2017, 04:29 AM Thread Starter
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Quote:
Originally Posted by Revo2Maxx2016 View Post

So with saying that you changed out your bulbs I would suspect there is an issue with the Resistors you used or maybe even the LEDS. Where did you get the LEDs? Was the Resistors choose with the right Voltage in mind? I ask this because most times people buy LEDs and then do the math for 12v problem is that without some other things added into the circuit most times the cars Volts are over 12v and so things heat up and burn out faster then they should.

Did you do the update to both IPC or just the one and you used the other one with normal bulbs to see if that worked?


James


I got the LEDs from Lighthouse LEDs. I used 560 OHM 1/4w resistors. The LEDs have a 3-3.4 Vf with 20 mA current.
I maybe sized the resistor a little small wattage wise, but have been running all the other LEDs, which are the same everything, for 50+ hours now with no problems.
I have not tried it with a normal bulb in a cluster, good idea.
Just put the dash back together so I won't get to the IPC connector for a couple of months now but this gives me some solid things to work off of.
Will update when I work on it.
Thanks again!
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~Joe~

04 Impala LS

LED cluster, HVAC, headlights, interior lights
Dual Stainless Xlerators
Stainless Xlerator Resonator
4 inch Stainless Tips
ZZP DP
ZZP PCM
ZZP 180 drilled t-stat
Optima Red Top battery
Tubular trailing arms
Police LCA's
Police brakes
Dorman solid sway bar
Many more mods to come!
04Imp38 is offline  
post #7 of (permalink) Old 06-19-2017, 03:12 PM Thread Starter
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Quote:
Originally Posted by Revo2Maxx2016 View Post



B10 Connector 1 (Pink One) on the BCM is the one that is connected to the High beams. There should be Ground there when your Highs are on. If your DRL is running it would be around 6V there on that line. Without anything just key on not in gear it would show 12V



James

I found some time to test the IPC and BCM connections. IPC connector A4 and A2 both have continuity to ground.
B10 connector 1 (pink connector) has continuity to ground with or without the high beams on, however I tested with the key off.
I'll have my bro help with testing continuity between A5 on BCM and A7 on IPC later today.
I also have wired BBEngineers quad headlight relay sketch and it was working, both the quad headlights and the brights light on IPC.
What else should I look for? I'm thinking maybe take out the quad headlight setup and get it stock and see if it works. I do have a spare IPC that is disassembled that I could dink with, I think I might do that.
Thanks for the help!


~Joe~

04 Impala LS

LED cluster, HVAC, headlights, interior lights
Dual Stainless Xlerators
Stainless Xlerator Resonator
4 inch Stainless Tips
ZZP DP
ZZP PCM
ZZP 180 drilled t-stat
Optima Red Top battery
Tubular trailing arms
Police LCA's
Police brakes
Dorman solid sway bar
Many more mods to come!
04Imp38 is offline  
post #8 of (permalink) Old 06-19-2017, 03:24 PM Thread Starter
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Update. I tried my spare IPC and I have 12 volts at the brights indicator holes (I unsoldered the factory bulb) when key is on, headlights are turned on manually, and brights are on. Now I'll tear apart my cluster that I'm running right now and see what's up. I do not like resetting my needles tho


~Joe~

04 Impala LS

LED cluster, HVAC, headlights, interior lights
Dual Stainless Xlerators
Stainless Xlerator Resonator
4 inch Stainless Tips
ZZP DP
ZZP PCM
ZZP 180 drilled t-stat
Optima Red Top battery
Tubular trailing arms
Police LCA's
Police brakes
Dorman solid sway bar
Many more mods to come!
04Imp38 is offline  
post #9 of (permalink) Old 06-19-2017, 03:40 PM Thread Starter
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Update #2 Cluster I'm running now shows 12v at brights indicator during same situation above. I'm soldering a new led and resistor in after dinner and testing it then!


~Joe~

04 Impala LS

LED cluster, HVAC, headlights, interior lights
Dual Stainless Xlerators
Stainless Xlerator Resonator
4 inch Stainless Tips
ZZP DP
ZZP PCM
ZZP 180 drilled t-stat
Optima Red Top battery
Tubular trailing arms
Police LCA's
Police brakes
Dorman solid sway bar
Many more mods to come!
04Imp38 is offline  
post #10 of (permalink) Old 06-19-2017, 05:46 PM Thread Starter
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Yes!! I got it fixed (so farCluster High Beam Indicator-img_4884.jpgCluster High Beam Indicator-img_4885.jpg
Now I have to do the same to the 6 gauge cluster and we will be ready to install that at 196,911!


~Joe~

04 Impala LS

LED cluster, HVAC, headlights, interior lights
Dual Stainless Xlerators
Stainless Xlerator Resonator
4 inch Stainless Tips
ZZP DP
ZZP PCM
ZZP 180 drilled t-stat
Optima Red Top battery
Tubular trailing arms
Police LCA's
Police brakes
Dorman solid sway bar
Many more mods to come!
04Imp38 is offline  
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