Stereo and Power Inverter Gremlins

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Jerchambers

Member
108
0
16
Location
Craig, CO
So, Doghead thought this would make a good thread. I have question I didn't feel like posting. You seem to know a lot about the electrical based off of all the posts you have about it. I am having trouble with adding a stereo to the fuse panel. I currently have a 24v inverter tapped into the rear battery terminal and grounded to the floor. I have a second but less 12v inverter plugged into the 12v cigarette lighter I installed. I used a spade connector for the lighter and plugged it into the fuse panel. I grounded it to the ground under the dash. When my engine's rpms go up, both of the inverters turn off. I don't know why. When I unplug my pig wire connection from Gen 1 then everything works fine. I replaced the fusible link for the red wire from Gen 1 (the one with the brown exciter wire). Can't seem to resolve this issue. I think my next step since I don't have a way to test it is to take it (GEN1) to my alternator guy. Am I on the right path?
 

mistaken1

New member
1,470
1
0
Location
Kansas City, KS
What happens when you ground both inverters to the negative bus on the firewall (or to the front battery negative post) using the same size wires as used on the positive side?
 

SGT LongT

Member
201
18
18
Location
Palm Bay, FL
You stated that the 24v inverter is connected to the rear 24v buss on the positive side, but the negative is grounded to the frame. I would isolate the 24v inverter from the frame and connect the ground to the buss bar. The 24v system IIRC is an isolated system, but by grounding the 24v inverter to the vehicle you are pulling 24v across the entire vehicle.
 
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