[Healeys] Overdrive Relay

[Peter Schauss]

Ron,

Mine has the bakelite side toward the front of the car with three terminals
facing upward and one facing down.  Wiring is as follows:

W1 - black (ground)
C1 - White with a green stripe (two wires)
C2 - White (two wires)
W2 - White and purple (2 wires)

C1 and C2 on my car are the reverse of what is on the wiring diagram in the
manual.  Since these are the relay contacts they are interchangeable.

One useful modification (based on Norman Nock's recommendation) is to add an
in-line fuse to the white wire which runs from the unfused side of the fuse
block to C2 (or C1 if you have it wired that way).  This will protect your
overdrive solenoid from burning out if cut-out contacts for the pull-in
winding do not open when the solenoid is activated.

HTH,
Peter Schauss
1963 BJ7
1980 MGB

> -----Original Message-----
> From: healeys-bounces+schauss=worldnet.att.net at autox.team.net
> [mailto:healeys-bounces+schauss=worldnet.att.net at autox.team.net] On Behalf
> Of Ron Huseman
> Sent: Sunday, June 08, 2008 2:12 AM
> To: healeys at autox.team.net
> Subject: [Healeys] Overdrive Relay
> 
> I'm finishing up the wiring on my  BJ7. I am using two diagrams provided
> by
> List members and both have been nearly 100% identical as I've gone through
> the entire car. When I came to the overdrive relay, the drawings conflict.
> They differ in the terminals used for ground and 12v power from the fuse
> box
> through the dash switch to the relay.
> 
> 
> 
> I have pictures of other BJ7s and one of them has a relay that has the
> bakelite side with screw-down terminals facing forward, toward the motor.
> Mine is a metal-enclosed enclosed relay with spade tips facing down.
> Terminal identifications are stamped on the relay and correspond to both
> the
> drawings, but as I said, the terminations differ.
> 
> 
> 
> Does someone have a working BJ7 that can tell me how this model should be
> wired? Color-coded wire connections to the terminal number would be
> perfect.
> I hate to try one method and burn out the relay by having the ground
> attached incorrectly. You can reply off line using my email below.
> 
> 
> 
> Many thanks, again.
> 
> 
> 
> Ron Huseman
> 
> ronhuseman at sbcglobal.net
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