Contacts 1 and 3 and contacts 2 and 4 are connected together as they are spring loaded. Originally i had decided that in order to switch series parallel either top speed with about 10 mile range or around 20mph with 18 20 mile range would have to be hand done.
Ignition switch output 15a output at the series resistor to the ignition coil and to the starter glow plug and starter switch 17 start 19 preglow battery 30 line from battery positive terminal direct 30a battery changeover 12 24 v line from battery ii positive terminal 31 return wire from battery negative or ground direct return wire to.
Bosch series parallel switch wiring diagram. Wiring schematic for series parallel switch wiring schematic for series parallel switch by barry. The parallel switch accomplishes this feat using 6 relay contacts as shown in the diagram below. When the starting key is activated the series parallel solenoid coil is energised and the plunger moves disconnecting contact 1 from 3 and contact 2 from 4.
12 24v dc double stage 1500 amp intermittent duty cycle 45 amp maximum charge back circuit contacts. Submitted october 14. Download our wiring diagrams for our complete range of bosch controls and modules.
Find their other tutorials. Support topic get support tutorial information. Stop get off board open battery housing unplug the series or parallel adapter wire plug in the parallel or series adapter wire close the housing back up get back.
When the parallel switch is not active contacts s1 a and s1 c connects battery b2 post to the trucks 12 volt system. A series parallel switch consists of four sets of contacts that we ll call 1 2 3 and 4. 12 24 volt dc series parallel switch 12 24 volt series parallel solenoid switch voltage.
Silver flat base type bracket large studs. I show you how to wire a double pole double throw switch to achieve a selectable series parallel switch with two voltage sources batteries photo download. Download pdf 1 8 mb.
Download pdf 0 8 mb therm 660 ef efo. Download pdf 1 9 mb therm 940 es. 10 32 studs typical wiring diagram for negative ground system.
Contacts s2 a and s2 c connects battery a2 post to the vehicle ground. Download pdf 0 5 mb gwh c 800 es. Download pdf 1 9 mb therm 940 eso.
These 6 relay contacts are controlled by the relay coil. Download pdf 1 0 mb therm 520 pn. Series parallel switch diagram provided by bmt member dover.
Download pdf 1 7 mb therm 830 es.
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