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#85462 04/24/2004 4:20 AM | Joined: Mar 2004 Posts: 71 Member | | Member Joined: Mar 2004 Posts: 71 | In the instructions for the separate two wire harness, (12 volt, foot start with alternator in a 49 1/2 ton) it refers to a connection running from the "B" terminal on the starter motor to the (-) terminal on the ammeter. What is the "B" terminal? Logic would say "Battery"? I'm adding gauges from Classic Instruments and I'm being told to attach the (-) terminal on the ammeter end of the wire to the ground post on the gauge and then run a ground wire to the cab. Something doesn't sound right. Is that not running a "hot" wire direct to the body of the truck? | | |
#85463 04/24/2004 6:59 AM | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | You should have a hot wire from the + terminal of your starter switch to the + terminal of your ammeter. Then a wire from the - side of the ammeter to the B (battery) terminal of your ignition switch. The wire to the lighting circuit will be tied into the latter wire somewhere. | | |
#85464 04/24/2004 4:10 PM | Joined: Mar 2001 Posts: 259 Member | | Member Joined: Mar 2001 Posts: 259 | Hi-
The "B" terminal they are talking about is the terminal where the Positive battery cables connects to the starter.
I think you have a mis-print on your instructions......"I'm sure you do". If you connect a wire from the (-) terminal of the ammeter to the gauge (-) terminal your going to fry some wires. That (-) sign should be (+) sign. I think what they mean to say is connect the wire feeding your gauges to the side of the ammeter which will show a discharge when the gauges are on which would be the (-) side of the ammeter but connected to the (+)terminal. Then you'll connect a ground from (-) terminal of each gauge to the cab to ground the gauges.
Joe
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