fedico94(at)mchsi.com
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 Posted: Wed May 16, 2012 4:29 pm Post subject: Challanging and perplexing |
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I built my electrical system per Z-13/20. On 2 seperate occassions I found that someone had moved the E-Bus Alt Mater Switch to engage the only the Battery. The first time they turned on the strobes and ran the battery down and this was quikly reversed with recharging the battery (PC680)from 5.6 volts. This occurred a second time probably the radios left on. I had the battery recharged and it shows 12V on the handheld meter. The E-bus Alt Master Switch will not allow the battery solenoid to "click" on (purchased from B & C). I by passed this with an 18ga wire so as to connect the battery positive terminal directly to the main power bus distribution side of the battery contactor. I have 10 volts showing through the main power bus and E-bus. I engaged the avionics fan from the e-bus by pushing in the CB and the fan motor did not engage. I tried the same with the defroster fan at the switch and the motor did not turn on. Both of these are low amperage and both showed 10 amps power with the handheld voltmeter downstream of the CB and Switch. No electrical item (all that I have radios etc will not come on.
I do not understand what the problem is ? The person who recharged my battery said it recharged in 2 hours and only drew about 2 amps.
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