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Having problems with my 98 chevy tracker horn worked on and

Customer Question
of now does not work...
having problems with my 98 chevy tracker horn worked on and of now does not work at all tok horn off tried on another vehicle worked fine ,fuse is good wont work on this vehicle
Submitted: 2 years ago.Category: Chevy
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Answered in 21 minutes by:
10/2/2015
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago
Gary
Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 17,504
Experience: 15 years GM master tech
Verified

I am sorry your having this problem

do you know where the horn relay is in this Tracker ?

do you have a multi meter or test light on hand ?

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Customer reply replied 2 years ago
I believe the relay is behind the glove box
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

yes it is open the glove box all the way and get to the horn relay

it should be second up from the bottom of the 4 relays the bottom one is the turn signal relay

once you find the horn relay when you push the horn switch do you feel that relay click with your fingers ?

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Customer reply replied 2 years ago
no there is no click
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

pull that relay out and 2 of the 4 terminals that the relay plugs into should show 12 volts

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Customer reply replied 2 years ago
ok what color should the wires be
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

2 solid greens should be 12 volts and the green/black should be a good ground

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Customer reply replied 2 years ago
k will check
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

im sorry my mistake the 2 solid greens should be 12 volts

if they check out jump one of the solid green wires to the green/black wire terminal will the horn work when you do that ?

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Customer reply replied 2 years ago
no power
Customer reply replied 2 years ago
no fuse is fine brake lights work
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

are you sure those 2 solid green wire terminals do not show 12 volts ?

and you are sure you are at the horn relay ?

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Customer reply replied 2 years ago
is the only relay with green wire like I said press horn button none of the relays click
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

it should have 2 solid green wires to the horn relay

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Customer reply replied 2 years ago
total of four green two solid
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

ok if neither green shows 12 volts and that fuse is good then the issue is the green 2 wires from the fuse to the horn relay are broken or bad and it is best to just fun 2 new wires from that fuse to the horn relay

to be 100 % sure if you jump a power to the green/black wire terminal with the horn in the tracker will the horn work when you do jump it ?

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Customer reply replied 2 years ago
doesnt seem to do anything
Customer reply replied 2 years ago
green and black wire dosnt even show ground
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

what are you testing these wires with ?

a multi meter or test light ?

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Customer reply replied 2 years ago
test light
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

something just does not seem right like the test light is bad or not connected up correctly

with the horn plugged in and you add 12 volts to the green/black wire terminal it should send 12 volts to the horn

and also we are missing both powers from the dark green wires is odd also with the fuse good

if you jump 12 volts to the green/black wire and get to the horn will the green/black wire show 12 volts at the horn ?

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Customer reply replied 2 years ago
idk going out there to chase the wires down now ,it is very strange indeed
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

can you confirm the test light good when the clip is connected to a good ground and you touch a power with the test light tip it lights up ?

if so retest those 2 solid green wires that the horn relay plugs into and confirm the test light clip is on a good ground

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Customer reply replied 2 years ago
test light is god
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

ok double check those 2 solid green wires for 12 volts

also jump the green/black wire terminal with 12 volts and see if at the horn it shows 12 volts when jumped

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Customer reply replied 2 years ago
ok moved some wires around and now I have power jumper the plug horn works but still dosnt work with horn button
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

ok does the 2 dark green show 12 volts or not ?

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Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

ok great

so if both greens show 12 volts and you jump power at the green/black wire and the horn works then the last wire which should be a blue/green at the relay should show a ground when the horn switch is pushed

if it shows a ground when the horn switch is pushed the relay is bad

if it does NOT show a ground when the horn switch is pushed then this issue should be the horn switch under the air bag or the ground under the air bag for the horn switch is bad or broken and basically sends that ground out the switch to the horn relay as seen in this electrical schematic which is basically no ground is reaching the relay from the horn switch

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Customer reply replied 2 years ago
shows power when relay is out plug in relay and shows slight ground
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

if that wire is NOT a good ground when the horn switch is pressed you need to get to the ground under the air bad and see if the horn switches are sending out a ground when pushed

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Customer reply replied 2 years ago
sorry my bad shows ground even all the time
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

if that shows a ground all the time when the relay is in the horn would blast all the time

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Customer reply replied 2 years ago
is it possible there is a problem in that plug ??????
Customer reply replied 2 years ago
ok got ground working at the horn button not coming through to the relay
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

yes the terminals could be the problem

but from what you are telling me you tested the ground that is supposed to trigger the relay is not a good ground

you have both powers and if you jump the power out the horn wire the horn works

the issue is the relay bad or the terminals the relay plugs into or the ground from the horn switches

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Customer reply replied 2 years ago
idk I loose the ground coming out of the clock spring
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

if the ground signal is going into the clock spring but not out the clock spring is bad

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Customer reply replied 2 years ago
but there is no air bag light on ???
Customer reply replied 2 years ago
when you turn the wey on air bag flashes the right amount of times
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

the horn contact goes through the clock spring the clock spring not only is for the air bag the horn is run though it also

if you can ground the horn wire out of the clock spring and the relay will activate and the horn will get 12 volts then the issue is the clock spring or the horn switches or the horn switch ground under the airbag

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Customer reply replied 2 years ago
if it is the clockspring why is it just affecting the horn and not the airbag ?????
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

the air bad wires are different wires through it

who knows why the air bag wires are not being effected

but if you tested and the clock spring had a ground into it with the horn switch pushed but NO ground out of the clock spring then the clock spring is bad

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Customer reply replied 2 years ago
can I jumper the horn part to be sure cause I tested the clockspring through the airbag part and has continuity ???
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

yes put the relay back in and ground the horn wire out of the clock spring does the horn show 12 volts at it when you ground it ?

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Customer reply replied 2 years ago
I just bypassed from horn button to th big plug on steering column pushed the horn button triggers the relay but doesn't blow the horn ?
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

ok at the horn is it showing 12 volts at the green/black wire when the relay is activated ?

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Customer reply replied 2 years ago
no
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

when that horn wire is jumped and the relay is working is the relay sending out 12 volts out the green/black wire ?

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Customer reply replied 2 years ago
no relay was bad horn works with jumper
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

ok with a new relay is it working now ?

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Customer reply replied 2 years ago
except for the clockspring part
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

ok great

so if you ground the wire OUT of the clock spring and the horn will work and going into the clock spring it is showing a ground when you push the horn switch then the clock spring is bad

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Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

you can always get me back through this post for FREE anytime with any follow up with this question anytime even after you rate us here at Justanswer !

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Customer reply replied 2 years ago
I just always thought that when the clock spring was bad air bag light came on ?????/
Chevy Mechanic: Gary, Chevy Technician replied 2 years ago

no

the air bag uses different wires though the clock spring

dont forget to rate us here at Justanswer !

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Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 17,504
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