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External
Since: Jan 20, 2008
Posts: 6
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(Msg. 1) Posted: Wed Oct 15, 2008 9:17 pm
Post subject: 89 F150 dual tank issue.
Archived from groups: alt>autos>ford, others (more info?)
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az8NCg0KVGhhbmtzLg== |
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External
Since: Jan 11, 2007
Posts: 1259
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(Msg. 2) Posted: Wed Oct 15, 2008 9:17 pm
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Ted" <Ted.TakeThisOut@NoSpam.com> wrote in message
news:cywJk.48832$bx1.406@bignews1.bellsouth.net...
>I have an 89 F150 straight 6 and 5 speed. dual tanks. I have tested the
>dash switch and it is good. New valve on the frame. It still only pulls gas
>from the from tank regardless of which tank the switch is set to. The fuel
>gauge changes based on which tank the switch is set to.
>
> Any ideas why it would not be pulling fuel from the rear tank?
>
Dead pump in the rear tank.
Clog. |
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External
Since: Jan 11, 2007
Posts: 1259
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(Msg. 3) Posted: Wed Oct 15, 2008 9:17 pm
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Jeff Strickland" <crwlr.RemoveThis@verizon.net> wrote in message
news:gd666d$lug$1@registered.motzarella.org...
>
> "Ted" <Ted.RemoveThis@NoSpam.com> wrote in message
> news:cywJk.48832$bx1.406@bignews1.bellsouth.net...
>>I have an 89 F150 straight 6 and 5 speed. dual tanks. I have tested the
>>dash switch and it is good. New valve on the frame. It still only pulls
>>gas from the from tank regardless of which tank the switch is set to. The
>>fuel gauge changes based on which tank the switch is set to.
>>
>> Any ideas why it would not be pulling fuel from the rear tank?
>>
>
> Dead pump in the rear tank.
> Clog.
>
>
Blown fuse to the rear pump.
> >> Stay informed about: 89 F150 dual tank issue. |
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External
Since: Mar 11, 2008
Posts: 1137
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(Msg. 4) Posted: Thu Oct 16, 2008 1:23 am
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Imported from groups: alt>autos>ford, others (more info?)
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External
Since: Jan 05, 2008
Posts: 15
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(Msg. 5) Posted: Thu Oct 16, 2008 9:25 am
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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letterman RemoveThis @invalid.com wrote in
news:k6ndf417mem6npf9nbb0lrqii4ho0uicqp@4ax.com:
> On Wed, 15 Oct 2008 18:44:13 -0700, "Jeff Strickland"
> <crwlr RemoveThis @verizon.net> wrote:
>
>>
>>"Jeff Strickland" <crwlr RemoveThis @verizon.net> wrote in message
>>news:gd666d$lug$1@registered.motzarella.org...
>>>
>>> "Ted" <Ted RemoveThis @NoSpam.com> wrote in message
>>> news:cywJk.48832$bx1.406@bignews1.bellsouth.net...
>>>>I have an 89 F150 straight 6 and 5 speed. dual tanks. I have tested
>>>>the dash switch and it is good. New valve on the frame. It still
>>>>only pulls gas from the from tank regardless of which tank the
>>>>switch is set to. The fuel gauge changes based on which tank the
>>>>switch is set to.
>>>>
>>>> Any ideas why it would not be pulling fuel from the rear tank?
>>>>
>>>
>>> Dead pump in the rear tank.
>>> Clog.
>>>
>>>
>>
>>
>>Blown fuse to the rear pump.
>>>
>
> I have the same problem on my 1990 F150.
> I never saw the need for two tanks, since I can barely afford to fill
> one at a time. I assumed the pump was shot in the rear tank, but I
> didn't know there was another fuse. Where is it? Is it in the fuse
> in the fuse panel and listed separately?
>
>
there is only one fuse for both pumps on the fords, the solenoid
switches the same power to either pump. the relay is a common failure
point but that will kill all pump power. KB
--
THUNDERSNAKE #9
Protect your rights or "Lose" them
The 2nd Admendment guarantees the others >> Stay informed about: 89 F150 dual tank issue. |
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External
Since: Mar 11, 2008
Posts: 1137
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(Msg. 6) Posted: Thu Oct 16, 2008 1:15 pm
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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External
Since: Mar 02, 2007
Posts: 129
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(Msg. 7) Posted: Thu Oct 16, 2008 2:23 pm
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Imported from groups: alt>autos>ford (more info?)
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External
Since: Jan 11, 2007
Posts: 1259
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(Msg. 8) Posted: Thu Oct 16, 2008 6:25 pm
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Archived from groups: alt>autos>ford, others (more info?)
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<letterman.DeleteThis@invalid.com> wrote in message
news:k6ndf417mem6npf9nbb0lrqii4ho0uicqp@4ax.com...
> On Wed, 15 Oct 2008 18:44:13 -0700, "Jeff Strickland"
> <crwlr.DeleteThis@verizon.net> wrote:
>
>>
>>"Jeff Strickland" <crwlr.DeleteThis@verizon.net> wrote in message
>>news:gd666d$lug$1@registered.motzarella.org...
>>>
>>> "Ted" <Ted.DeleteThis@NoSpam.com> wrote in message
>>> news:cywJk.48832$bx1.406@bignews1.bellsouth.net...
>>>>I have an 89 F150 straight 6 and 5 speed. dual tanks. I have tested the
>>>>dash switch and it is good. New valve on the frame. It still only pulls
>>>>gas from the from tank regardless of which tank the switch is set to.
>>>>The
>>>>fuel gauge changes based on which tank the switch is set to.
>>>>
>>>> Any ideas why it would not be pulling fuel from the rear tank?
>>>>
>>>
>>> Dead pump in the rear tank.
>>> Clog.
>>>
>>>
>>
>>
>>Blown fuse to the rear pump.
>>>
>
> I have the same problem on my 1990 F150.
> I never saw the need for two tanks, since I can barely afford to fill
> one at a time. I assumed the pump was shot in the rear tank, but I
> didn't know there was another fuse. Where is it? Is it in the fuse
> in the fuse panel and listed separately?
>
I don't know, but that's what I would expect. >> Stay informed about: 89 F150 dual tank issue. |
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External
Since: Mar 11, 2008
Posts: 1137
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(Msg. 9) Posted: Thu Oct 16, 2008 10:43 pm
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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External
Since: Jan 12, 2005
Posts: 92
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(Msg. 10) Posted: Sat Oct 18, 2008 9:30 pm
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Archived from groups: alt>autos>ford, others (more info?)
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maybe hoses hooked up wrong???
old john
"Ted" <Ted RemoveThis @NoSpam.com> wrote in message
news:cywJk.48832$bx1.406@bignews1.bellsouth.net...
>I have an 89 F150 straight 6 and 5 speed. dual tanks. I have tested the
>dash switch and it is good. New valve on the frame. It still only pulls gas
>from the from tank regardless of which tank the switch is set to. The fuel
>gauge changes based on which tank the switch is set to.
>
> Any ideas why it would not be pulling fuel from the rear tank?
>
> Thanks. >> Stay informed about: 89 F150 dual tank issue. |
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External
Since: Jan 20, 2008
Posts: 6
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(Msg. 11) Posted: Sun Oct 19, 2008 10:01 am
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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QXMgZmFyIGFzIEkgY2FuIHRlbGwsIHRoZXkgYXJlIGhvb2tlZCB1cCBjb3JyZWN0bHkuDQoNCjxh
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bSB0aGUgZnJvbSB0YW5rIHJlZ2FyZGxlc3Mgb2Ygd2hpY2ggdGFuayB0aGUgc3dpdGNoIGlzIHNl
dCB0by4gVGhlIGZ1ZWwgDQo+PmdhdWdlIGNoYW5nZXMgYmFzZWQgb24gd2hpY2ggdGFuayB0aGUg
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Cj4= >> Stay informed about: 89 F150 dual tank issue. |
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External
Since: Jan 20, 2008
Posts: 6
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(Msg. 12) Posted: Sun Oct 19, 2008 10:03 am
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Archived from groups: alt>autos>ford, others (more info?)
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DQo8bGV0dGVybWFuQGludmFsaWQuY29tPiB3cm90ZSBpbiBtZXNzYWdlIG5ld3M6bGUyZ2Y0dG5p
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ZnJvbnQgdGFuay4= >> Stay informed about: 89 F150 dual tank issue. |
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External
Since: Mar 11, 2008
Posts: 1137
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(Msg. 13) Posted: Mon Oct 20, 2008 5:37 am
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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External
Since: Jan 05, 2008
Posts: 15
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(Msg. 14) Posted: Mon Oct 20, 2008 9:25 am
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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letterman.TakeThisOut@invalid.com wrote in
news:3qnof419j6359f15dltsfvgm6tg53kma84@4ax.com:
> On Sun, 19 Oct 2008 10:03:09 -0400, "Ted" <Ted.TakeThisOut@NoSpam.com> wrote:
>
>>
>><letterman.TakeThisOut@invalid.com> wrote in message
>>news:le2gf4tniiqavscinrith51lfutn7jn8k8@4ax.com...
>>> On Thu, 16 Oct 2008 17:21:58 -0400, "Ted" <Ted.TakeThisOut@NoSpam.com> wrote:
>>>
>>>>If the pump in the rear tank is bad, why when the switch is in the
>>>>rear position would the front pump
>>>> still work? Wouldn't the truck die from lack of fuel?
>>>>
>>>>Ted
>>>
>>> If I switch to the rear tank with the engine running, the truck
>>> quits running from lack of fuel. Now you know !!!!
>>>
>>
>>That's my point. On my truck, if I switch from the front to the rear
>>tank, it continues to run, pulling gas from the front tank. It always
>>pulls gas from the front tank.
>
> That's really odd. I dont know how that is possible unless the switch
> is defective. The switch switches fuel pumps, or is supposed to
> anyhow. The only other possibility is that the pumps are both
> connected to a fuel line directly, which I'd suspect would pump gas
> backwards to the other tank. I'd sure like to learn how that is
> occurring. If you find out, please tell all of us. VERY STRANGE!
>
this is not strange at all. the dash switch only goes to the under the
bed solenoid\valve this actually switches the fuel tank level sender
and also switches the supply and return lines to each tank. KB
--
THUNDERSNAKE #9
Protect your rights or "Lose" them
The 2nd Admendment guarantees the others >> Stay informed about: 89 F150 dual tank issue. |
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External
Since: Sep 16, 2007
Posts: 65
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(Msg. 15) Posted: Mon Oct 20, 2008 10:25 pm
Post subject: Re: 89 F150 dual tank issue. [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Mon, 20 Oct 2008 12:26:15 +0000, Kevin rearranged some electrons to
say:
> letterman.RemoveThis@invalid.com wrote in
> news:3qnof419j6359f15dltsfvgm6tg53kma84@4ax.com:
>
>> On Sun, 19 Oct 2008 10:03:09 -0400, "Ted" <Ted.RemoveThis@NoSpam.com> wrote:
>>
>>
>>><letterman.RemoveThis@invalid.com> wrote in message
>>>news:le2gf4tniiqavscinrith51lfutn7jn8k8@4ax.com...
>>>> On Thu, 16 Oct 2008 17:21:58 -0400, "Ted" <Ted.RemoveThis@NoSpam.com> wrote:
>>>>
>>>>>If the pump in the rear tank is bad, why when the switch is in the
>>>>>rear position would the front pump
>>>>> still work? Wouldn't the truck die from lack of fuel?
>>>>>
>>>>>Ted
>>>>
>>>> If I switch to the rear tank with the engine running, the truck quits
>>>> running from lack of fuel. Now you know !!!!
>>>>
>>>>
>>>That's my point. On my truck, if I switch from the front to the rear
>>>tank, it continues to run, pulling gas from the front tank. It always
>>>pulls gas from the front tank.
>>
>> That's really odd. I dont know how that is possible unless the switch
>> is defective. The switch switches fuel pumps, or is supposed to
>> anyhow. The only other possibility is that the pumps are both
>> connected to a fuel line directly, which I'd suspect would pump gas
>> backwards to the other tank. I'd sure like to learn how that is
>> occurring. If you find out, please tell all of us. VERY STRANGE!
>>
>>
> this is not strange at all. the dash switch only goes to the under the
> bed solenoid\valve this actually switches the fuel tank level sender
> and also switches the supply and return lines to each tank. KB
On my old 89, if I recall, the fuel selector valve was not a solenoid.
The valve was a shuttle valve that was activated by low-pressure fuel
flowing from the selected tank to via the low-pressure pump in the tank.
The sender circuits were switched by the dash switch, which also powered
the selected low pressure pump. It was common for the selector valve to
get gunked up and fail to shuttle to the correct tank. I have also heard
of the valve getting stuck part way thus allowing one tank to pump into
the other instead of into the suction line for the high pressure pump. >> Stay informed about: 89 F150 dual tank issue. |
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