Installing Ammeter

[joshdrolph]

I am trying to install a set of gauges, the temp and oil went fine. The directions say install it to the horn relay. This is on a 94 chevy 3500 pickup. Is there any other way to istall this meter, the horn relay plugs in the main wiring on the fire wall, with four wires 2 hot, 1 to the switch, 1 to the horn. What is the best way to install this?

[Mr. Smith]

I am trying to install a set of gauges, the temp and oil went fine. The directions say install it to the horn relay. This is on a 94 chevy 3500 pickup. Is there any other way to istall this meter, the horn relay plugs in the main wiring on the fire wall, with four wires 2 hot, 1 to the switch, 1 to the horn. What is the best way to install this?

 

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Ammeters are not a good indicator of charging system condition. A voltmeter is the best option. ANd be advised to make an ammeter work you had best use something other than 18ga wire IMO.

 

good luck

[slemmer]

It would be good as an indicator to show a heavy drain on the battery such as a defective hood light switch when the engine is off.

[Mr. Smith]

It would be good as an indicator to show a heavy drain on the battery such as a defective hood light switch when the engine is off.

 

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So is a 3.99 VOM from Harbor Freight and a hell of alot less work.