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Rheilly Phoull
 
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One day Mel got dressed and committed to text

Hi,
I have a Halfords "auxiliary battery and fridge supply" wired
relay(No. 473553)that I am wanting to fit to my car / caravan.
I bought it several years ago but have lost the fitting instructions.

The relay has the numbers 1 to 6 along the top of the case but only 5
wires coming out at the bottom:

Starting under the number 1 they a

Thin purple, medium length
Thick red, long length
Thick green, short length, with 15A inline fuse
Thin black, short length
Thick green, long length

If anyone has an idiot's guide to installing this unit I would be
very thankful for a copy.

Regards

Mel Sharpe


From that info I would guess that the coil wires are the purple and black,
the supply to the 'center' of the changeover contacts will be the green.
Start off by connecting the black and purple wires to 12v and listen for a
'click'. If that goes well then connect the green to the plus on the battery
and see which of the other wires is energised when the relay is 'on'. You
could verify the coil wires with an ohmeter (measure the resistance across
the black and purple), could be anything from a few hundred ohms to a few
thousand ohms. Similarly the main contacts.

--
Regards ..... Rheilly Phoull