Description This combination caravan relay automatically senses battery/alternator condition and load demand, and switches current from the car's battery to the caravan's battery, fridge and internal lights via its own split charge relay. Sensing is automatic and does not require the use of a separate lead from the ignition switch. Sensing takes account of over voltage availability of the.. Towing Electrics Limited Tec3M Wiring Diagram provides safety and efficiency to the operations of tow trucks. If the right guidelines are followed during installation, voltage spikes and related explosions won't occur and the driver of the truck can count on the system running properly.
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Towbar electrics Charge relay TEC3M Wiring info as follows 12v Permanent fused live (30amp fuse) 0v Earth 2 - Pin 2 in the 12s socket (grey)/ Unused in the 13 pin socket. 4 - Pin 4 in the 12s socket (grey)/ Pin 9 in the 13 pin socket. 6 - Pin 6 in the 12s socket (grey)/ Pin 10 in the 13 pin socket. High Output Combination Caravan Relay with automatic monitoring and switching of supply from car.. 30Amp S Type 12v TEC3M Self Switching Dual-Charge Relay See our 12v TEC3M dual-charge relay Our Part No. ETR06 Manufacturers Part No. TEC3M This relay will convert a 12v supply to supply a 12S ('S' Type) socket Easy to wire as pin numbers are marked on the unit This relay automatically senses the condition of the towing vehicles alternator and diverts some of the current charging it's.