Voltmeter not working.

MarksZ34 · 04-06-2016, 12:30 PM

Hello all! I just recently bought my 09 6MT sport at auction and the voltmeter hasn't worked since I got the car. Anyone know how I can troubleshoot this? The clock and temp gauges in the tri-pod are working fine. I understand all three are connected to a PC board underneath the dash pad - don't want to go there!

What and where is the connection in the engine bay that feeds the voltmeter?

BTW this is my 4th Z!

Your help and knowledge is greatly appreciated!

SouthArk370Z · 04-06-2016, 02:01 PM

IIRC, the triple-gauge gets it's data (oil temp and volts) via the CAN bus. You can verify with the FSM (see link in my sig). If oil temp is working, the voltage readout is probably bad or there is a loose internal connection to that readout. There are some DIYs on this site about removing the triple-gauge.

MarksZ34 · 04-07-2016, 02:50 PM

I saw the post removing the dash and the one about removing them from the top but he's not worried about the factory connections since he was replacing with aftermarket. Is there a way to get at this by removing the center vent and cubby surround? I want to just replace that one OEM gauge if bad so would retain the connection to the pcb. I can rig reattaching it but want to retain the connector, pcb, etc.

Austonian · 04-08-2016, 02:10 PM

check your fuse panel first and make sure nothing is blown, it may have had a battery installed incorrectly previously and fried something.

jcosta79 · 04-08-2016, 04:01 PM

04-06-2016, 12:30 PM	#1 (permalink)
MarksZ34 Base Member Join Date: Mar 2016 Location: North Carolina Posts: 112 Drives: 09 370z M6 Sport Rep Power: 9	Voltmeter not working. Hello all! I just recently bought my 09 6MT sport at auction and the voltmeter hasn't worked since I got the car. Anyone know how I can troubleshoot this? The clock and temp gauges in the tri-pod are working fine. I understand all three are connected to a PC board underneath the dash pad - don't want to go there! What and where is the connection in the engine bay that feeds the voltmeter? BTW this is my 4th Z! Your help and knowledge is greatly appreciated!

04-06-2016, 02:01 PM	#2 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324197	IIRC, the triple-gauge gets it's data (oil temp and volts) via the CAN bus. You can verify with the FSM (see link in my sig). If oil temp is working, the voltage readout is probably bad or there is a loose internal connection to that readout. There are some DIYs on this site about removing the triple-gauge. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

04-07-2016, 02:50 PM	#3 (permalink)
MarksZ34 Base Member Join Date: Mar 2016 Location: North Carolina Posts: 112 Drives: 09 370z M6 Sport Rep Power: 9	I saw the post removing the dash and the one about removing them from the top but he's not worried about the factory connections since he was replacing with aftermarket. Is there a way to get at this by removing the center vent and cubby surround? I want to just replace that one OEM gauge if bad so would retain the connection to the pcb. I can rig reattaching it but want to retain the connector, pcb, etc. Last edited by MarksZ34; 04-07-2016 at 02:52 PM.

04-08-2016, 04:01 PM	#5 (permalink)
jcosta79 A True Z Fanatic Join Date: Jul 2012 Location: N/A Posts: 1,430 Drives: N/A Rep Power: 14	Voltmeter Not Working __________________ 2012 PW NISMO #0559 - GT Spec Brace Kit - Swift Springs - ARK TP & Invidia CBE K&N Intake - UpRev Tune - 15mm Z1 Spacers & Studs - StopTech Slotted Rotors & SS Lines - ZSpeed CMAK with Stage 2 Clutch and Lightweight Flywheel

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04-08-2016, 02:10 PM	#4 (permalink)
Austonian Enthusiast Member Join Date: Mar 2013 Location: Texas Posts: 371 Drives: 40th Anniversary Rep Power: 27	check your fuse panel first and make sure nothing is blown, it may have had a battery installed incorrectly previously and fried something.