[Healeys] O/D relay repair

[Oudesluys]

These are fixes I love. Well done.
Kees Oudesluijs
NL

Alex wrote:
> The overdrive on my trusty BT7 decided to act up the other day, dropping the 
> O/D in and out. After a bit of troubleshooting with a voltmeter, I 
> determined that the O/D relay was defective. But---yuk--$200 for a 
> replacement! No way, Jose.
>
> I pulled the Lucas relay from the car and opened it up on the bench. This is 
> very easy to do; just peel back the tabs. Sure enough, the contacts were 
> almost totally disintegrated, and the coil was open.
>
> So, I drilled out the retaining rivet and discarded the remains of the 
> original innards. I then cleaned up the enclosure and buffed clean the 
> external screw contacts.
>
> Next I located a miniature 12V 30A relay (the one I scrounged was from a 
> BMW). These mini automotive relays are quite common.
>
> I removed the case from the mini relay, in order to make it smaller. I then 
> lined the innards of the original enclosure with electrical insulating paper 
> (often called fish paper), and installed the new relay inside the original 
> Lucas enclosure, holding it in place with a large locknut-type solder 
> terminal that's affixed to the W2 terminal.
>
> The new relay works like a champ, pulling in my solenoid nicely.  Back in 
> business for less than $5.