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> Engine Temp and AMP Gauges
turtleturtle
post Sep 23 2007, 10:40 AM
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Okay, I finally got my 914 registered and have been trouble shooting a few things. My engine temp gauge is not even hooked up and neither is my AMP guage. I was wondering is anyone knew where the engine temp sensor is located? Same for the AMP reader? Thanks.
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Spoke
post Sep 23 2007, 04:06 PM
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Jerry
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My car has a VDO ammeter but I don't know where the sender is. The sender for an ammeter is usually a very very low value resistor like 0.01 ohms in series with the smaller wire going to the battery. This is the wire from the alternator and indicates the amount of charge going to/from the battery.

The voltmeter is just hooked to a switched fuse and ground and measures the voltage at the fuse which may be 0.01 to several 0.1 volts lower than the battery voltage depending on voltage drop in the wiring to the battery.

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