waterproof light relays?

[davidgibson999]

just fitted extra lights to the 1200 and have left the relays tucked in behind a panel with the bare connections pointing downwards - at the moment they're exposed to spray etc that might get up from the front wheel. What do you think - should I tape the whole lot up to seal it and include a drain or leave as it is?

 

[earthmover]

As long as the relay is lying in the direction you described, it should be ok, mine has been. I did have it the other way , and it wasn't.
Mark

 

[davidgibson999]

cheers!

 

[SilverBobGS]

Waterproof relay

There are different types of relays, some rated as waterproof and some very much not.
Learnt the hard way when fitting my Hella lamps, wired everything up neatly and used the relay supplied tucked up in the space under the tank. Lasted 3 days before it failed. After going through the entire tank removing process again found that the relay was rusted. I prised it apart and found that the entire inside was a mass of rust. On examination the relay was not bonded around the wiring tabs and actually had a small hole in it so you could prise it apart.
Lucky I had a spare relay in the " spares " box which was Bosch and was sealed. No more problems.
There is obviously a difference in build quality or fittment spec on relays, so I should check them closely prior to fittement.

 

[snoopy]

Buy memory rubber from maplins. Wire goes through it then you pull the rubber over and heat with a soldering iron or lighter. It shrivels around the wire closing tight and preventing the wire from fracturing - a big problem on bikes. Comes in all different sizes.

 

[Tarka]

Buy memory rubber from maplins..

Fewer people will laugh at you if you ask for heatshrink sleeving instead

 

[snoopy]

The morons in Maplin won't know what either is anyway. And its technical name is memory rubber. The description is "material that shrinks under heat", which is the dummy term, imho.

So "Go do one" as you might say.

 

[Deleted account 220427002]

I have some i got in maplins you could have....



...... now if i could just remember where i put it

 

[STUBBS]

The morons in Maplin won't know what either is anyway. And its technical name is memory rubber. The description is "material that shrinks under heat", which is the dummy term, imho.

So "Go do one" as you might say.

you mean like this all of their web site


HEAT SHRINK



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Heat-Shrinkable Sleeving


heat-shrinkable tube with excellent flame-retardant, flexibility and insulation properties. it is suitable for the electrical insulation and bonding of cables and connectors and for corrosion-proofing of metallic rods, tubes and aerials....

BF86T 1.5mm Heatshrink 1m 5733 in Stock £1.41
PB21X 1.5mm Heatshrink 5m 176 in Stock £4.79
BF87U 2.5mm Heatshrink 1m 4320 in Stock £1.51
PB22Y 2.5mm Heat Shrink 5m 1156 in Stock £4.99
BF88V 3.5mm Heatshrink 1m 1613 in Stock £1.63
PB23A 3.5mm Heatshrink 5m 763 in Stock £5.22




Heat-Shrinkable Tubing with Adhesive Inner Liner


-a semi-flexible tubing with a meltable adhesive inner liner which flows when heated. after shrinkage and upon cooling this provides a moisture proof seal over the product covered. suitable for a wide range of applications, such as encapsulation of cables, wires, splices, breakouts and components. t...

KC45Y 3mm Adhv H/shrink 1m 463 in Stock £3.24
KC46A 6mm Adhv H/shrink 1m 398 in Stock £4.13
KC47B 9mm Adhv H/shrink 1m 190 in Stock £4.79
KC48C 12mmAdhv H/shrink 1m 542 in Stock £5.19

 

[davidgibson999]

So if the wires are sleeved with memory rubber/heatshrink then I should be fine ? I'm using the relays which came with the Hella lights...

 

[Deleted account 220427002]

So if the wires are sleeved with memory rubber/heatshrink then I should be fine ? I'm using the relays which came with the Hella lights...

go to BM electrical opposite AVX and if you walk straight ahead as you go in their door you'll see a rack of heatshrink on the right of the counter... with different sizes and colours to suit IIRC black shrinks the most

 

[dazco]

Heat shrink will not stop water getting into the relay, regardless as to wheather the wires are covered in heatshrink or MEMORY rubberD )Its the relay housing that needs to be watertight.
Love that name, memory rubber, nice one

 

[davidgibson999]

Thanks Tuned and have you any idea how to waterproof the relay itself?

 

[dazco]

http://www.penninecomponents.co.uk/catalogue/pdfs/58.pdf
Have a look on here there might be something for you, possibly the VF4/V23134,could you not mount the relay away from any direct srpay ie under the tank above all the other connectore(im talking from an 1100 point of view, dont know about the 1200.
failing that mount as you described and cover all the joins with elecrical insulating grease(fink you can buy it in an aerosol from halfords)
hope that helps abit

 

[unhinged]

Amalgamating tape

 

[harry]

As Unhinged says amalgamating,also known as self fuseing tape is the best answer to your problem. You can cover the lot in Silicone to make it totally waterproof.

 

[davidgibson999]

just ordered it on maplins - thanks guys