[T3] Ground for Fuel Pump Plug

[Mike Fisher]

Be sure and blow out your fuel Return Line backwards!  They cause big
trouble if they get plugged up.  BTDT

On Tue, Jul 12, 2011 at 1:32 PM, SCS Crewcab <scscrewcab at bellsouth.net> wrote:
> I guess you're right. That way, I can check all the lines when I take it
> out.
>
> On 7/12/2011 4:26 PM, Mike Fisher wrote:
>>
>> You could, but that is the hard way I'm thinking.
>>
>> On Tue, Jul 12, 2011 at 1:21 PM, SCS Crewcab<scscrewcab at bellsouth.net>
>>  wrote:
>>>
>>> Can I run it forward and back with it still in the car if I disconnect
>>> the
>>> supply lines coming from the tank and put them in a bucket of diesel?
>>>
>>> On 7/12/2011 4:10 PM, Mike Fisher wrote:
>>>>
>>>> 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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>>>>>
>>>>
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>>
>>
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