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1994 mx6 blinker and brake lights not working


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slim696901
User

Nov 3, 2012, 2:34 PM

Post #1 of 37 (2715 views)
1994 mx6 blinker and brake lights not working Sign In

hello all im hopeing someone here can help me out i have a 1994 mazda mx6 and the blinker lights are not working the green arrows on the dash don't light up when they are turned on as well as all four outside the car dont come on aslo the brake lights do not work i have checked all fuses more then once and also changed out the switch behind the steering wheel and changed the gray relay under the dash and still nothing works i dont know where to look/ test / check next can anyone help plz


nickwarner
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Nov 3, 2012, 5:46 PM

Post #2 of 37 (2658 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

are you checking with a test light, a multimeter or just pulling it out and looking at it?


slim696901
User

Nov 3, 2012, 8:13 PM

Post #3 of 37 (2648 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

i used a test light


slim696901
User

Nov 4, 2012, 6:55 AM

Post #4 of 37 (2637 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

so it is the fuse it is putting out power but not as much as needed to make the lights work seems the fuse is siting in the block lose any ideas on how to fix it ?


nickwarner
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Nov 4, 2012, 7:04 AM

Post #5 of 37 (2634 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

If the fuse is loose in the block you would need to get those wires that go to it fixed. You would need a terminal release tool to get them out and put new ends on them, or you could cut them out and solder in an inline fuse holder which will still give you a fuse protected circuit.


slim696901
User

Nov 4, 2012, 1:57 PM

Post #6 of 37 (2621 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

i switched out the hole fuse box lights all work now but i cant get it started now if i spray quick start in it it will start right up right away it does not seem to be getting gas and i can not hear the pump turn on when i turn over the key i can hear a double click from one of the relays under the hood i changed then all with the ones out of my parts car but still the same thing both cars did run the other day


Hammer Time
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Nov 4, 2012, 3:26 PM

Post #7 of 37 (2613 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

Must have the wrong blinker fluid............



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slim696901
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Nov 4, 2012, 6:14 PM

Post #8 of 37 (2605 views)
Re: 1994 mx6 blinker and brake lights not working Sign In


In Reply To
Must have the wrong blinker fluid............ im not sure what your talking about or how this would help any one after all that is what this is all about is to help ppl out with there cars



Hammer Time
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Nov 4, 2012, 6:22 PM

Post #9 of 37 (2600 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

What's the matter? .......................... You think I'm wrong?







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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



slim696901
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Nov 4, 2012, 6:32 PM

Post #10 of 37 (2597 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

lol that is funny but does not have anything to do with the car not starting


Discretesignals
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Nov 4, 2012, 7:04 PM

Post #11 of 37 (2592 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

Wow...I didn't know that blinker fluid was flammable.





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slim696901
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Nov 4, 2012, 7:11 PM

Post #12 of 37 (2589 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

i did not know there was such a thing anyways i got the car started turns out the relay has to + and to grounds one of the grounds is not working i jumped a ground wire from the ground on the relay to the batt the pump came on and the car started right up


Discretesignals
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Nov 4, 2012, 7:16 PM

Post #13 of 37 (2587 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

Which engine do you have?





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Hammer Time
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Nov 4, 2012, 7:51 PM

Post #14 of 37 (2582 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

You certainly didn't fix anything and you cannot leave that wire grounded or you will have a dead battery and burned out fuel pump. You just over rode the computer which doesn't tell you much of anything.



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slim696901
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Nov 4, 2012, 8:46 PM

Post #15 of 37 (2574 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

well it tells me the pump works and that there is a bad ground some where or am i wrong ??


nickwarner
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Nov 4, 2012, 9:10 PM

Post #16 of 37 (2572 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

Relays only have one ground, usually terminal 86. That controls the control side of the relay which actuates the load side. The PCM provides the ground when it sees the correct parameters that it either isn't seeing or now lacks the ability to control properly. You bypassed that and now the fuel pump runs constantly which will kill your battery and your pump. Need to troubleshoot what is missing in this circuit and get it back to stock wiring ASAP.


slim696901
User

Nov 4, 2012, 9:39 PM

Post #17 of 37 (2571 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

with the way i hooked it up the pump only runs when the key is switched start i did not leave it like that the relay has 4 prongs to have power and to do not if i put my volt meter on and jump to of them side by side i get 12v but when i jump the other to i donot get anything unless i ground out the one side so what your saying is theres 2+ 1- and what does the other one do ?


Hammer Time
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Nov 5, 2012, 4:12 AM

Post #18 of 37 (2555 views)
Re: 1994 mx6 blinker and brake lights not working Sign In


Quote
well it tells me the pump works and that there is a bad ground some where or am i wrong ??


Yes, you are wrong. That wire goes to the computer and is the way the computer controls the fuel pump. The pump is only supposed to run under certain criteria and the computer makes that decision.



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slim696901
User

Nov 5, 2012, 3:56 PM

Post #19 of 37 (2538 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

yes so it turns out the pump does not shut off so anyone know how to make the pump run with out jumping it ?


Hammer Time
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Nov 5, 2012, 4:19 PM

Post #20 of 37 (2534 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

You're going to have to find out why the computer is not turning it on. Are you even checking it the right way? It only powers for 2 seconds when the key is turned on and resumes when cranking. The computer has to see a tach signal or it won't turn it on.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Nov 5, 2012, 4:19 PM)


slim696901
User

Nov 5, 2012, 5:43 PM

Post #21 of 37 (2527 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

im not sure what to check next i now know the the pump works and my relay is good


Hammer Time
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Nov 5, 2012, 7:07 PM

Post #22 of 37 (2518 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

You'll have to test that wire back to the computer and find out if the computer is actually applying a ground to the wire..






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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Sidom
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Nov 5, 2012, 10:01 PM

Post #23 of 37 (2508 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

I've justed skimmed this thread real quick so have probably missed something but I'm gonna add my 2 cents here real quick.....

The car started until you messed with the fuse box........go back & triple check all the wiring you worked on......

If that doesn't work then use the diagram HT posted.......Start with the fuel pump relay....As you can see 2 terminals are going to have 12 volts & 2 will have a ground.

As long as you have 12v on both terminals and can turn the pump on by jumping the fuel pump terminal then for some reason the PCM isn't grounding the relay and then you would need to start checking inputs....

You did catch HTs post about the PCM only powering the pump for 2 seconds with the key on.....right??? Meaning if you are doing this by yourself, by the time you get to where ever after turning the key on......there will be no power......even if the system was working perfectly....


(This post was edited by Sidom on Nov 5, 2012, 10:02 PM)


slim696901
User

Nov 6, 2012, 4:08 PM

Post #24 of 37 (2493 views)
Re: 1994 mx6 blinker and brake lights not working Sign In


In Reply To
You'll have to test that wire back to the computer and find out if the computer is actually applying a ground to the wire..


i did trace the wire back it runs from the relay to the fuse block unless they used the same colour wire for 20 things its he only one of that colour i can find but from there it changes colour





Hammer Time
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Nov 6, 2012, 4:19 PM

Post #25 of 37 (2486 views)
Re: 1994 mx6 blinker and brake lights not working Sign In

No, it doesn't go to the fuse box.

Lets back up here and get an engine size because there appears to be a difference of wire color in engine size,



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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