Question about 1991 Geo Tracker

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1991 tracker I put in a new fuel pump relay. the new relay has power comming to teh relay the wire going to the fuel pump has no power. put the jumper wire in and the pump runs. Why won"t the power go through the relay?

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Probably becuase its faulty...try replacing it and go from there...or else there is another source of resistance in the circuit some where....also, check your fuses....a blown fuse will stop flow of current as well.

Posted on Nov 14, 2009


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old post 1991 a 8valve engine????
it ran before? or not? if not you did the diagnosis wrong, ask?
does it crank? no, then.
if you read the fsm it said disconnect battery first.
forget to put it back?
keyon, CEL lamp glows, it must or you blew up to 3 ECU fuses.
say it cranks,
fuel pressure not 34psi but 0 or 10
you did it wrong.

the first test for dead fuel system after proving
that is what
check output of fuel pump relay for 11 to12v cranking
if good the at pump. actual
if no power to pump all old and new pumps are useless
ask how to finish this process..

Mar 27, 2014 | 1991 Geo Tracker

2 Answers

Cant find fuel pump relay on 1991 geo trcker

the 91 is below the ECU, the socket is green , the relay has a huge
pink wire, which is pump power.
did you find the bad ground in 2door car? is it? behind the left rear tail
light, the pump grounds with a screw there, all trackers (sidekicks) fail there. , and kill the pump, it the first check on all . with low or zero pressure.
post symptoms and can take you to it fast.
just a no start ?
this year, kick has pump power for only 3 seconds keyon
that be rule 1.
and pump power 12vdc cranking and running.
the wire is pink at the left tail light too.

every pump that ever failed, in every way possible, is here.
read this.

2door or 4 door is first quesiton.

here is my 91
and my FP relay

Mar 27, 2014 | 1991 Geo Tracker

1 Answer

We can't get our 1991 GEO Tracker to start

I had this problem as well. The tracker had sat for 8 years and would only run off of starter fluid. I replaced the filter and fuel pump then I had no fire. Located under driver side dash in the fuse panel theres a fuse for coil. I don't remember which one, but, I am pretty sure it is a 10 amp fuse. Or just do like I did and replace any bad fuses. If that doesn't work it will be a relay located above that same fuse box.

Aug 01, 2010 | 1991 Geo Tracker

1 Answer

I have a 96 geo tracker and it blows the 15 amp fuel injection fuse. I unpluged all the wires in the engine comp. and the relay under the dash for the fuel pump. After that the only on that made it blow...

most car have 2 kind of ground...the relay and the fuel pump...make sure u check them both...if not...than disconnect the - side of the batt than put a test light on the - side of the batt and the other one on - side of the cable...make everything is off n all doors are close...if it light up then start pullin fuse one at a time to see if it will will lead u closer to ur problem...good luck

Apr 21, 2010 | 1996 Geo Tracker 2 Door

1 Answer

Not getting fuel blows out fuelpump relay

You have either a shorted wire going to the fuel pump or a bad fuel pump. I'd guess you have a bad pump, wires enter at the top of the tank anyway, so probably water condensation has rusted the pump.

Aug 11, 2009 | 1991 Geo Tracker

5 Answers

On a 1991 geo tracker trying to find location of fuel pump relay?

The fuel pump relays are mounted on an "L" bracket underneath the ECM. Both have something to do with the Fuel pump. Be careful not to get it confused with the horn relay it is in the same vicinity (under the dash on the drivers side).

Feb 18, 2009 | 1991 Geo Tracker

2 Answers

On a 1991 geo tracker trying to find location of fuel pump relay

Have the computer checked. My Dads Tracker was doing the exact same thing and it turned out the computer was bad. I'm afraid it wasn't cheap to get the computer refurbished either. ($500)

Feb 18, 2009 | 1991 Geo Tracker

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