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Old 03 July 2015, 05:37   #1
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Lighting board acting strange?

We have changed over our discovery 4 (for another discovery 4....) and our lighting board is acting strange. Exactly the same electrics connections on this car, but when you brake the left brake pad and indicator start flashing together? The indicators work fine. The right brake light wont light up. Any ideas? It is likely to be salt has somehow got into the electrics and damaged them? This discovery has different lights to the old one, has these stupid day time running lights, would that have anything to do with it?
Help!
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Old 03 July 2015, 05:41   #2
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Hello again Is the trailer board LED or conventional? If conventional, it sounds like a bad earth. Have you another vehicle you can try the board on, & another board/trailer/caravan that you can try on the Disco?
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Old 03 July 2015, 05:55   #3
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Somebody's keen today! Well because whole thing is going in for a service we'll get them to try it on another car. Going to take it all apart and see what I can do, just annoying as its more expense if its buggered
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Old 03 July 2015, 06:37   #4
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Best get it checked. My D4 has LED running lights and works fine with multiple boards - its currently got a light board permanently attached after the wife reversed into a skip - came out of no where apparently
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Old 03 July 2015, 06:47   #5
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Quote:
Originally Posted by Chunk View Post
Best get it checked. My D4 has LED running lights and works fine with multiple boards - its currently got a light board permanently attached after the wife reversed into a skip - came out of no where apparently
Bastuds them stealth skips, one got me recently. They lurk around corners & the reversing sensors miss 'em
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Old 03 July 2015, 07:45   #6
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Quote:
Originally Posted by Pikey Dave View Post
Hello again Is the trailer board LED or conventional? If conventional, it sounds like a bad earth. Have you another vehicle you can try the board on, & another board/trailer/caravan that you can try on the Disco?
Common problem ... Ask any caravaner,
You need one of these http://www.ipatools.com/products/ind...rush-8086.html (Shop around, they used to be commonly available in UK)
And a regular spray with WD40 ...Sorted !!!
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Old 03 July 2015, 15:34   #7
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Originally Posted by VFR800i View Post
Common problem ... Ask any caravaner,
You need one of these http://www.ipatools.com/products/ind...rush-8086.html (Shop around, they used to be commonly available in UK)
And a regular spray with WD40 ...Sorted !!!

WD40 is no good on electrics
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Old 03 July 2015, 15:55   #8
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Light boards... satan's work!

Check the connection on the car and ensure there's no oxidisation on the terminals. Use a little brake cleaner and fine 3M paper to remove.

The light board, unscrew the plastic lenses and check the bulb terminals actually make contact. Finally check the connection on the light board flex that connects to the car. The plastic ones you can open up. Check for obvious things, loose wires, etc. Then and only then... consider a new light board!
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Old 03 July 2015, 16:59   #9
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Sorry Mick,
I don't know how old you are but in the days when cars had points and distributor caps the moisture was always dispelled with a blast of the aforementioned spray.
That is precisely what it does.
If you don't believe me check with "Philpot" (with respect another crumbly like me)
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Old 03 July 2015, 17:29   #10
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Sorry Mick,
I don't know how old you are but in the days when cars had points and distributor caps the moisture was always dispelled with a blast of the aforementioned spray.
That is precisely what it does.
If you don't believe me check with "Philpot" (with respect another crumbly like me)

It might be ok for a distributor cap but a quick search will tell you it's no good for plugs & wires as it can melt them etc ACF50 is better or a product specific spray either
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