What did you do to your NNBS GMT900 Tahoe/Yukon Today?

[Doubeleive]

Is that a second resistor in the box with the black wire connected to it or is that just where the resistor was glued into the box?

I would take the resistor that you pulled out, with the blue wire on one end and the red and blue on the other, amd connect it as shown in the other pic I posted just to test it.

So...
Blue wire on left side of resistor in pic > turn signal + (light blue wire)

Blue wire on right side of resistor in pic > truck ground wire (black wire).

looks like there is 3 resistors total the blue wire to black wires reads 24.6 and blue to blue reads 4.4

 

[Doubeleive]

Do those resistors have any markings on them?

no nothing i can see that's not covered in epoxy

 

[kbuskill]

looks like there is 3 resistors total the blue wire to black wires reads 24.6 and blue to blue reads 4.4

Usually a 6 ohm 50 watt resistor is used to trick the BCM into thinking there is a regular bulb in place.

Its really hard to see how the resistors are connected from the picture.


Perhaps they have them connected together to raise the resistance.

At this point I would probably disconnect the resistors from each other and ohm them individually to see what you've got... then try hooking one up as I mentioned earlier.

Which ever is closest to 6 ohm would be the one I would try... the 4.4 ohm might do the trick.

 

[Doubeleive]

Usually a 6 ohm 50 watt resistor is used to trick the BCM into thinking there is a regular bulb in place.

Its really hard to see how the resistors are connected from the picture.


Perhaps they have them connected together to raise the resistance.

At this point I would probably disconnect the resistors from each other and ohm them individually to see what you've got... then try hooking one up as I mentioned earlier.

Which ever is closest to 6 ohm would be the one I would try... the 4.4 ohm might do the trick.

ok thanks I will give it a try in a couple days when the other resistors I ordered come in, I've obviously been doing something wrong

 

[Doubeleive]

next project is going to be figuring out why my battery's are only charging to 12.26v

 

[kbuskill]

next project is going to be figuring out why my battery's are only charging to 12.26v

They could be sulfated... you could try using a battery charger/maintainer with a desulfation mode.

 

[Doubeleive]

They could be sulfated... you could try using a battery charger/maintainer with a desulfation mode.

They are AGM

 

[Doubeleive]

12.26v means they are only running at about 60-70% (roughly) according to the service manual

 

[kbuskill]

They are AGM

They are still lead/acid and still sulfate.

 

[Doubeleive]

They are still lead/acid and still sulfate.

I guess I need to shop for a charger that will do that then, can I do them both at the same time or separately?