Electrical Fizzle, Smoke and Death

...Second Gauge from the Bottom.
I Like RED Digital Led.
Digital is most Accurate over Analog, In My Opinion.
Reading 11.9 Volts, Engine off, Key On.
Just after Starting the Engine, the Gauge will read 14.0+ Volts, Battery Charging. When the Battery has Rejuvenated, the reading lowers Down to 13.3-13.4 Volts Cruising.
Yes, I did eliminate the Amp Gauge, Just Bolted Both Cables together, and Insulated the Connection with 2 Layers of the Thickest INDUSTRIAL Shrink Tubing....a Great 'Peace of Mind' !! If Memory Serves, the Gauge Reads the Voltage off the Ignition, Or was it the 'Main Feed'?

...For the Curious..
The Mini Toggle switch at the very top, marked 'Oil Temps', switches from reading the Engine oil to reading the Transaxle Oil, Temps.
This Gauge is the 4th Gauge, Mounted at the Bottom. (just the location it ended up)
The First, Top Gauge Reads 'Engine Coolant' Temp. Now reading 80F 'Garage' Temp as the Engine has Not been Run.
The Second Gauge, from the Top, Reads 'Engine Oil Pressure'. It now Scrolls 'LO' as the Engine is OFF, and it BLINKS On and Off, when the Pressure Drops Below 40 PSI. This Reading is Taken off the Very Rear Oil Port, in the Block (Stock Location for the Sender), expecting to receive the Lowest Reading Possible. If it were to 'sense' Directly off the Oil Pump, the Reading would be the Highest, but would Not be a True reading of the Actual Oil Pressure the Engine is Receiving, Through-Out.
The Bottom Temp Gauge, Now Switched to read Engine Oil Temp, reads a 'Garage Temperature' of 77F, Taken at the Twin Oil Filters, Before the Oil Cooler, All 3 Located at the Rear of the Pantera, AC Screen. ( the AC Condenser has been eliminated, and the wiring now runs a Fan on the Oil Cooler).
While the 'Engine Coolant', Taken at the 'Common' Location in the Block, just above the Waterpump...reads the Garage Ambient Temperature at 80F....interesting. Could be a Difference in the Resistance of each Wire, and/or The Senders, Themselves. The Senders Are Identical.
I posted this to perhaps Spark a few Ideas.

Nice auxeriary instumentation!

the battery at 11.9VDC is pretty low

Marlin -

That looks like "Robocar"!

I mean it as a compliment!

Rocky

...Your Right!
11.9 Volts IS low, but not when you consider...
The car has sat un-started for a Month, The Key is ON and I have been Listening to the Radio and Disk Player for over an Hour. And all accessories are running, an Electric Antennae was raised, door lights, Windows Powered Down, etc. and on and on. The Engine will still fire right up.
When I first Turned the Key On, the Reading was 12.4 Volts. At this time I am Not using a 'Battery Tender'.

Thank You for Posting the Chart.

Rocky, Compliment taken, Thank You!

Marlin Jack; Curious as to where you're tapping into the transaxle to receive a temperature reading. Fill location?

quote:

Originally posted by JAG13CAT:
Marlin Jack; Curious as to where you're tapping into the transaxle to receive a temperature reading. Fill location?

...Yes, Exactly! I have a 90 Degree Fitting there, pointing Straight Up, so I can place a Funnel in it for filling. The 'Cap' is a Threaded Reducer for the 1/8 NPT Temp Sender. Make sure the Transaxle Housing has received a Proper 'Grounding'. The Sender just dips into the oil Level.

My Apologies for Hijacking this Thread!!!