[T3] Ground for Fuel Pump Plug

[Mike Fisher]

You can run them both forwards/backwards in a bucket of diesel oil to
clean them out.

On Tue, Jul 12, 2011 at 1:03 PM, SCS Crewcab <scscrewcab at bellsouth.net> wrote:
> My prob wasn't the ground at the fuel pump plug after all. It was the ground
> coming from lead 19 from the ECU. At the firewall in the engine compartment,
> just to the left of center, there is a single wire connector that joins 2
> single white wires. One of the wires has continuity with terminal 85 on the
> fuel pump relay. The other wire is broken off. I'm pretty sure it should
> connect to terminal 19 on the ECU but, I do not see any place on the harness
> around this connector where this wire could have broken. It must have broke
> off just barely inside the harness. If anybody has a picture online that can
> point to where, on the harness, to look, it would help a lot.
>
> When I ground the broken white wire at the firewall, the relay does energize
> and I get power to the fuel pump but, the pump doesn't spin. This car has
> sat for 3 years with an empty gas tank and the pump was working when I
> parked it. I priced a new pump online and, it's a real bargain at $547.00.
> I'm hoping the gas that was left it has the pump mechanism gummed up. Is
> there a link somewhere online that gives instructions on cleaning or
> repairing them?
>
>
>
> On 7/12/2011 3:05 PM, Jim Adney wrote:
>>
>> On 12 Jul 2011 at 14:43, SCS Crewcab wrote:
>>
>>> I'm trying to diag a prob with my fuel pump on a '71 FI Squareback. I'm
>>> not getting a ground on the neg side of the plug that connects to the
>>> pump. Where does this terminal connect to ground?
>>
>> Both wires come thru a grommet in the firewall, under the left side
>> fo the dash. The red one goes to the fuel pump relay and the brown
>> one goes to a ground connection. They are easy to follow once you
>> find that grommet and the 2 wires.
>>
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