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ContinuousWave: Small Boat Electrical
FARIA Temperature Gauge with Mercury Temperature Sender
|Author||Topic: FARIA Temperature Gauge with Mercury Temperature Sender|
posted 04-29-2010 04:25 PM ET (US)
Hi everyone! I'm new to this forum, and I was just wondering if anyone out there knew if, or has tried wiring up a Faria or Teleflex temperature gauge to the tan wire on the original Mercury sender in the head of a Mercury V6 2 stroke? Just curious if it would work? I did a bit of a search, but couldn't find anything specific.
|L H G||
posted 04-29-2010 06:58 PM ET (US)
The tan wire should be in the ignition harness at the key switch. [The temperature sender that is connected to the tan wire] will work on those gauges.
posted 04-29-2010 10:36 PM ET (US)
Yeah, it does have a tan wire there. I'm guessing it also goes to the warning horn. Thanks mate! I'll give it a go :)
posted 04-29-2010 10:49 PM ET (US)
The sender and the meter have to be matched. The existence of a wire in the harness with TAN insulation does not guarantee the meter and sender will be calibrated to show accurate temperature. If you have a FARIA or TELEFLEX gauge that says it is compatible with an OEM Mercury temperature sender, the gauge will show temperature with proper calibration.
posted 04-29-2010 10:50 PM ET (US)
A wire that connects to the warning horn is not likely to be useful for a temperature gauge. It is common that the alarm system is operated by several senders that act as switches in a WIRED-OR configuration, and connecting a temperature gauge to that circuit will not produce a temperature reading on the gauge.
|L H G||
posted 04-29-2010 11:48 PM ET (US)
In this photo of an instrument panel, using Teleflex AMEGA line gauges including a Temp gauge connected to the tan wire in the Ignition Harness, and for a Merc V-6 2-stroke, you can see that the Teleflex gauges do indeed work across the board.
As a matter of fact Teleflex made the "Flagship" line of gauges for Mercury, which look very similar, and with identical housings and internals.
A friend of mine has his Merc connected to Faria gauges, which also work.
posted 04-29-2010 11:55 PM ET (US)
In a remote electrically operated temperature gauge, the dial reading shown is dependent on the calibration of the meter and sender being matched. I'm sure you can get most any meter and sender to work after a fashion, but the important factor is their calibration. As long as the sender that is original to the Mercury is suitable for the FARIA or the TELEFLEX gauge, you'll have a calibrated system. I don't know exactly how you determine if the meter and sender are matched by just looking at them. Personally, I'd call the customer support at FARIA or TELEFLEX and ask them if their meters are able to work with a Mercury sender.
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