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Labor Day Putting down your wrenches or time for
MORE wrenching? 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Nov 2010 Posts: 339 Shop Shark | | Shop Shark Joined: Nov 2010 Posts: 339 | First post I put in the wrong section. So looking at the back of the ammeter which post is "+" and which is "-"? I have looked at 2 different diagrams and they are both different. Stock gauges 53 3100 root | | | | | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | An ammeter doesn't have a plus and minus. An ammeter is placed in line. If you ground one side you have a direct short to ground. | | | | | Joined: Feb 2004 Posts: 29,742 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,742 | The ammeter does have a positive and negative post, but if it's connected backwards, it just reads "discharge" instead of "charge" as the generator/alternator output goes to the battery. The direction the current flows will depend on whether the vehicle is positive or negative ground. If the reading is backwards, just reverse the leads at the back of the ammeter.
Be sure all the "load" connections such as the supply wires to the ignition switch, headlight switch, etc., and the charging device output are all connected to the downstream side, and the only wire connected to the other side goes to the battery cable attached to the starter. If accessory wires are connected to the BAT side, the meter will not read charge/discharge accurately.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Nov 2010 Posts: 339 Shop Shark | | Shop Shark Joined: Nov 2010 Posts: 339 | Looks like I have one to many on the plus side will fix this weekend. Thanks all for the help. root | | |
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