2+AKI- worth....
been redrawing the elec. schematic of a 73 BGT in
OrCad Schematics Capture Program. The fuel pump
(stock setup) connects the fuel pump to a common
ground point (4 point bullet connector) where the
right rear side marker, tail light and reverse
lights all come together for a common negative
return. This common ground point is a eyelet on
black wires that is under one of the mounting nuts
on the right rear taillight. Connect this to
ground and the pump runs fine.
signed,
Paul Tegler
Twin 73 B GTs YB and OB
YB born 8/72 (Primrose) Yellow BGT
OB born 1/73 (Blaze Red) Orange BGT
email: wizardz+AEA-amdyne.net
http://www.amdyne.net/+AH4-ptegler/mgmain.htm
-----Original Message-----
From: Scott McKorkle +ADw-bmc+AEA-aa.net+AD4-
To: Paul Hunt +ADw-paul.hunt1+AEA-virgin.net+AD4-
Cc: mgs+AEA-autox.team.net +ADw-mgs+AEA-autox.team.net+AD4-
Date: Thursday, September 03, 1998 4:25 PM
Subject: Re: It's the tail lights... Doh+ACE-
+AD4-Paul,
+AD4-
+AD4-I do know about the ground with the rear lights.
I made a point of
+AD4-attaching this to the grounding point before
starting the car. What caught
+AD4-me off guard was that, even with the ground wires
firmly attached to the
+AD4-grounding point, the car still wouldn't run with
the tail lights removed.
+AD4-Only when I loosely installed them and connected
the three wires (red,
+AD4-green and green/purple, I recall) did the car
start.
+AD4-
+AD4-This tells me that there is something in the
electrical circuit, other than
+AD4-the ground (black) wires, that is needed for the
fuel pump to work.
+AD4-
+AD4-Regards,
+AD4-Scott
+AD4-----------
+AD4APg- From: Paul Hunt +ADw-paul.hunt1+AEA-virgin.net+AD4-
+AD4APg- To: Rick Morrison +ADw-gofastmg+AEA-juno.com+AD4-
+AD4APg- Cc: bmc+AEA-aa.net+ADs- mgs+AEA-autox.team.net
+AD4APg- Subject: Re: It's the tail lights... Doh+ACE-
+AD4APg- Date: Thursday, September 03, 1998 1:36 PM
+AD4APg-
+AD4APg- Rick Morrison wrote:
+AD4APg- +AD4-
+AD4APg- +AD4- Scott,
+AD4APg- +AD4- I had a similar situation with a car with
the lisence bracket removed.
+AD4APg- +AD4- The pump wouldn't work until the bracket was
attached.
+AD4APg- +AD4- I finally traced it back to an after market
fuel pump, which was not
+AD4APg- +AD4- internally grounded, and the DPO had run the
ground wire up to the
+AD4-ground
+AD4APg- +AD4- for the liscence plate lamps.
+AD4APg- +AD4- Why he used 4 feet of wire and went toall
that trouble, I'll never
+AD4APg- +AD4- understand.
+AD4APg- +AD4- Oh, I grounded the little sucker to the pump
mounting bracket. end of
+AD4APg- +AD4- problem
+AD4APg-
+AD4APg- All years of MGB, as far as I can tell, were
built with the pump grounded
+AD4-in the
+AD4APg- boot with the rear lights.
+AD4APg-
+AD4APg- PaulH.
+AD4APg-
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