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The only way to revive the battery, munitions its. That had literally “on the knee” tinkering charger, good in the barn kept a lot of “useful stuff” (its worked, and throw a pity) that from time to time helps. This time the donor was an old TV set “Record”. To obtain the current 3 to 5 a at A voltage of 15 to 18 In used transformer by connecting sequentially three seliverstovich filament winding, and diodes type D7Ж, КД102. Because these low-voltage diodes, put them through a relay that is found on the vehicle.

Temporary wiring battery charger:
T1 — transformer (three windings connected in series shestovytsya from TV “Record”), HL1 — bulb from a car headlight., VD1, VD2 — diodes type Д7Ж, КД102 (TV Record), R1 — voltage relay of the car (in this case “plows 966В”)
Temporarily disconnecting from relay voltage regular wire, connect your as shown in the figure diagram. I then connected the resulting “charger” to the battery. After three hours of charging returned in place of the regular wire voltage relay and connect the battery terminals.
Blessed, turned the ignition key — the engine starts immediately.
STEPANOV, Istra