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dim dip relay buzzing
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Jin
Posted 20/11/2015 8:54 AM (#720378)
Subject: dim dip relay buzzing
Regular

Posts: 159
1002525
Just when I thought I'd seen it all, yesterday morning as I drove to work I heard a buzzing from the fusebox with the lights on, thinking it may be the lights on buzzer (that's never worked) I pulled it out - still hear buzzing, so I felt about and grabbed the big red relay to feel it humming away, pulled it and no more buzzing, but no lights either.

I have no dim dip resistor as I pulled it out a year ago (because the whole idea seems a bit barking) and I've never had a problem.
I don't understand why this relay needs to be working since the car has a separate headlight relay anyway (the little yellow one) so can it he bypassed?

Not a massive problem in the grand scheme of things but I can't help thinking it spells impending doom


Edited by Jin 20/11/2015 8:56 AM
 
Marv_666
Posted 20/11/2015 9:54 PM (#720385 - in reply to #720378)
Subject: RE: dim dip relay buzzing


'88 MG METRO 1300

Posts: 1117
1000100
Location: Dudley, Midlands		It's only a switching relay.
Only real purpose is to keep the stalks low-current.

My resistor is disconnected too with no problems.
Any hint of damp in car / fusebox, or signs of a leaky windscreen seal?
I've only had buzzing relays when there's been moisture in there.
 
Jin
Posted 21/11/2015 12:27 AM (#720386 - in reply to #720378)
Subject: RE: dim dip relay buzzing
Regular

Posts: 159
1002525
Your spot on mate, its damp all right.

Couldn't work out why it still needed to be fitted to have the headlights work as normal but the power loops through it, so I pulled fuse 20 and bridged terminals 30- 87 on the relay







Studying the wiring diagram now shows every component isolated and the headlights function as normal, works a treat
 
Marv_666
Posted 21/11/2015 2:42 AM (#720387 - in reply to #720378)
Subject: RE: dim dip relay buzzing


'88 MG METRO 1300

Posts: 1117
1000100
Location: Dudley, Midlands		Everything still works?
Including main beam and flasher?
Doesn't make sense to me...
surely at least one of them should pack in?!
Headlights only should be fine though.
Just got to work out where the moisture came from now!?!
 
Jin
Posted 21/11/2015 10:10 AM (#720390 - in reply to #720378)
Subject: RE: dim dip relay buzzing
Regular

Posts: 159
1002525
Everything is spot on buddy, its a common land rover mod

Car leaks like a sieve just like all kit cars should lol
But I'm working on it
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