[Healeys] Flasher relay advice please

Bob Spidell bspidell at comcast.net
Tue Feb 14 08:50:30 MST 2017

Before you tear into the relay box, check that the proper terminal on 
the box is getting voltage when the RH turn indicator is selected.  On 
my BN2, this is terminal #4, and I wouldn't be surprised if it's not the 
same as your BJ8 (but can't verify). The relay is sealed with spot 
welds, which will have to be drilled out if you need to do brain surgery.

The trafficators have a sliding 'switch'--really, just a piece of brass 
that gets moved over a brass terminal when an indicator side is 
selected--and if this gets out of whack you will get the same result.  I 
got into mine to, ahem, 'improve' it, messed up this 'switch' and got 
one side to work and not the other.


On 2/14/2017 1:29 AM, michael.salter at gmail.com wrote:
> Hang on there Simon... we are talking about a flasher unit... your 
> little round can with 3 terminals...... and the relay... with 8 
> terminals.
> So, in your case the flasher unit is working fine however, there seems 
> to be a problem with the relay because when LHS is called for the 
> contacts for both the front and rear bulbs close but, for the other 
> side probably only one pair of contacts are closing.
> This can be determined by observing which, i.e. front or rear, bulb is 
> lighting.
> The "relay" probably needs adjustment.
> This is a littie like brain surgery... takes a little practice.
> Best of luck.
> Michael S
> BN1 #174
> From: Simon Lachlan
> Sent: Tuesday, February 14, 9:11 PM
> Subject: [Healeys] Flasher relay advice please
> To: Healey List
> Cc: Pierre Henri Claret
> BJ8 with combined side/indicators/brake lights. NOT the late phase II 
> with the extra lights.
> So,…the relay. By this I mean the round silver can with 1 wire from P 
> to the dash, 1 from B to the 35 amp feed & 1 from L to T8 on the 
> dreaded 8-way flasher relay box.
> Now, the LHS indicators work and the RHS don’t. Well, they’ve worked 
> occasionally. My question is this:-
> If one side works, then the relay works?? There’s no way that the 
> relay can function on one side only? It sends current down one wire 
> only, so, if the LHS works, then the relay is doing its job????? 
> Right?????
> I remain very prepared to be confounded. My logic(?) usually fails 
> when I’m in front of a wiring diagram. In fact, I would be thrilled 
> just to be able to fix the problem with a cheap part.
> Thanks,
> Simon

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