First time posting here. I've been having this issue where half my gauge cluster is just flat out not working/moving (Boost, Oil Pressure, and Gas). my Brake light is on and my traction control system isn't working, I thought at first my alternator went out because I could hear the bearing on it. Replaced the alternator, no luck, replaced the main engine to body ground wire, nothing. Added a ground wire from alternator bracket to strut tower bolt to help, nothing. Went around the car tearing up my interior messing with the ground wire coming off the battery and the ground coming off the fuse panel (cleaned everything and chased the bolt holes). Tore up the kick panels and redid the grounds for the driver and passenger side, after all that work its still there. I took it to a shop and I got the techs trying to tell me that it could be the gauge cluster itself with a cracked solder joint or just failing internals, id like to gather as much evidence as I can before I decide to try and get a new one. is there anything else I could try before I bite the bullet? thanks for reading this and your info

You've covered a lot of bases!

I'd agree that this is likely a cluster issue.

Have you checked all of the connections behind the cluster?

If that doesn't help, I'd pull one from a self-serve junkyard and try it.

What in the world were you thinking? Don't you think if it were a ground it would effect the entire cluster? It very well may be a ground issue but not from outside. Pull it and solder all the grounds and any cold solder joints.

Tuo kuulostaa siltä, että olet jo tehnyt ne “klassiset” maadoitus- ja latauspuolen korjaukset, joten hyvä että et jäänyt niihin jumiin. Kun puolikas mittaristo kuolee ja samalla tulee ABS/traction-tyyppisiä valoja, se viittaa usein enemmän väylä- tai mittariston kommunikointiongelmaan kuin pelkkään laturiin tai maihin. Yhdessä Infiniti G35:ssa yleinen syy on mittariston sisäinen vika (kylmät juotokset tai regulaattori), mutta ennen vaihtoa kannattaa vielä skannata kaikki moduulit kunnollisella testerillä ja katsoa tuleeko CAN- tai speed signal -virheitä. Myö* ABS-yksikkö tai sen signaali voi sekoittaa mittariston, joten sitä ei kannata sulkea pois pelkän arvauksen perusteella.

Adding Finnish-->English translation: That sounds like you've already done the "classic" ground and charging side repairs, so it'* good that you didn't get stuck in those. When half the instrument cluster dies and ABS/traction type lights come on at the same time, it often indicates a bus or instrument cluster communication problem rather than just the charger or ground. In one Infiniti G35, a common cause is an internal fault in the instrument cluster (cold solder joints or regulator), but before replacing it is worth scanning all the modules with a decent tester and seeing if there are any CAN or speed signal errors. The ABS unit or its signal can also confuse the instrument cluster, so it'* not worth ruling it out based on a mere guess.

Thanks JordanBrooks!

Tuo kuulostaa jo aika pitkälle järkeillyltä lähestymiseltä, eikä kyse tosiaan vaikuta enää miltään perus lataus- tai maadoitusmurheelta. Kun mittaristosta häviää osa slotspalace-fi toiminnasta samaan aikaan kun syttyy ABS- ja luistoneston valoja, ajatus kääntyy helposti siihen, että joku tieto ei vain liiku oikein moduulien välillä. Infiniti G35:ssä mittariston omat viat ovat yllättävän yleisiä, mutta silti ennen kuin lähtee sitä vaihtamaan, olisi hyvä varmistaa testerillä mitä väylä oikeasti kertoo – erityisesti CAN-viat tai nopeussignaalin häiriöt voivat paljastaa paljon. Samalla kannattaa pitää mielessä, että ABS-yksikkö voi aiheuttaa ketjureaktion, jos sen data ei ole kunnossa, joten sitä ei kannata sivuuttaa liian aikaisin.

Adding Finnish-->English translation: That sounds like a pretty reasonable approach, and it really doesn't seem like a basic charging or grounding problem anymore. When some of the slotspalace-fi functionality disappears from the instrument cluster at the same time as the ABS and traction control lights come on, the idea easily turns to the fact that some information is simply not moving correctly between the modules. In the Infiniti G35, instrument cluster failures are surprisingly common, but before you start replacing it, it would still be a good idea to use a tester to verify what the bus is really saying - especially CAN failures or speed signal interference can reveal a lot. At the same time, it is worth keeping in mind that the ABS unit can cause a chain reaction if its data is not in order, so it is not worth ignoring it too early.