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Author Topic: HORN AND RAD FAN  (Read 5400 times)

gadawgs34

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HORN AND RAD FAN
« on: March 07, 2010, 09:03:00 AM »
Hello guys my horn and radiator fan stopped working. When you push the horn button on the steering wheel you can here a click at the front of the motor house (under hood LOL)fan just plain dont work any ideas?  :cool:
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Mike Robinson

bryanknight

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    • 91 foxboy modified, 91 capri xr2 modified,
HORN AND RAD FAN
« Reply #1 on: March 07, 2010, 10:13:00 AM »
the horn sounds like a relay and if the fan just quit pull off the temp wire.. its on the goose neck and see if the fan comes on?? if not look at fuses or the fan relay  this first thing i would do is hot wire the fan from the battier to see if its the fan or something else
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Gostlrs

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HORN AND RAD FAN
« Reply #2 on: March 07, 2010, 10:54:00 AM »
Instead of pulling the wire at the sensor

just jumper it..there is a post on here somewhere that has a pic of it..

i did it on my car and it runs the fan all the time
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Current Rides
2015 Nissan Frontier
2015 Chrysler 300
1990 240sx (SR20DET Swapped)
1992 240sx Convertible

gadawgs34

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HORN AND RAD FAN
« Reply #3 on: March 07, 2010, 10:57:00 AM »
ok i got the temp switch wire off and the fan runs now..........so that meens i have a bad tep switch?  :cool:
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Mike Robinson

Gostlrs

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HORN AND RAD FAN
« Reply #4 on: March 07, 2010, 11:07:00 AM »
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Current Rides
2015 Nissan Frontier
2015 Chrysler 300
1990 240sx (SR20DET Swapped)
1992 240sx Convertible

bryanknight

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    • 91 foxboy modified, 91 capri xr2 modified,
HORN AND RAD FAN
« Reply #5 on: March 07, 2010, 12:50:00 PM »
gostlrs  i seen that post and ya you can do that i guess but just fyi if you unplug the fan  temp sen. the fan well also run all the time just by unplugin it  which is nice in the summer time but in the winter it sucks take the car long time to get more  burrr lol
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Gostlrs

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HORN AND RAD FAN
« Reply #6 on: March 07, 2010, 12:59:00 PM »
I live in Phoenix so no Burr.....

you relay can still go bad...same results you have now..not working..

do it like this and the only failure you can have is the fan itself..LOL
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Current Rides
2015 Nissan Frontier
2015 Chrysler 300
1990 240sx (SR20DET Swapped)
1992 240sx Convertible

bryanknight

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    • 91 foxboy modified, 91 capri xr2 modified,
HORN AND RAD FAN
« Reply #7 on: March 07, 2010, 01:12:00 PM »
gostlrs  do you have ac still ?
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Gostlrs

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HORN AND RAD FAN
« Reply #8 on: March 07, 2010, 01:16:00 PM »
I pulled all my AC stuff when I installed my Intercooler. I am actually posting the parts on Ebay as we speak..LOL
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Current Rides
2015 Nissan Frontier
2015 Chrysler 300
1990 240sx (SR20DET Swapped)
1992 240sx Convertible

bryanknight

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  • Posts: 300
    • 91 foxboy modified, 91 capri xr2 modified,
HORN AND RAD FAN
« Reply #9 on: March 07, 2010, 01:30:00 PM »
because i am curious to see if by by-passing that relay if the ac condensor fan will still come on because your by-passing that relay
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Gostlrs

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HORN AND RAD FAN
« Reply #10 on: March 07, 2010, 02:00:00 PM »
Hmmm interesting..do both fans turn on when pulling the sensor?
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Current Rides
2015 Nissan Frontier
2015 Chrysler 300
1990 240sx (SR20DET Swapped)
1992 240sx Convertible

bryanknight

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    • 91 foxboy modified, 91 capri xr2 modified,
HORN AND RAD FAN
« Reply #11 on: March 07, 2010, 02:09:00 PM »
no only the inter rad fan works on the sensor being unpluged so i am just wondering?? i well have to check that out one day if i ever get mine back together
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grantduffield

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    • 1991 Capri (automatic)
Re: HORN AND RAD FAN
« Reply #12 on: December 19, 2014, 02:14:14 PM »
I've got a "horn click/clunk" issue too.  No tone, just an audible click when the horn button is pressed.  How do you find/fix the relay? 
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This is a very complicated case (car), a lot of ins, a lot of outs, a lot of what-have-yous.

mitch1204

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    • 1991 Mercury Capri NA Auto/ 1994 Mercury Capri NA
Re: HORN AND RAD FAN
« Reply #13 on: December 19, 2014, 03:47:28 PM »
The horn relay sits behind the driver's side headlamp right beside the fan relay. If it's original it has horn relay marked on it. It sits on a 45° angle at about the inside corner of the headlamp.

The horn is powered by the 15 amp stoplamp fuse. If it's clicking it sounds like you have power. Check the ground wire to it. The relay itself could be bad. It could be energizing and the contact to pass the hot on is wore. You can get inside the relay by pushing back the two tits, one on each side. A piece of sandpaper does wonders to worn or pitted contacts. You'll see what I'm saying if you dissect it. Make sure you seal it back with some silicone to make it water tight.
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grantduffield

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    • 1991 Capri (automatic)
Re: HORN AND RAD FAN
« Reply #14 on: December 25, 2014, 02:07:40 PM »
Thanks Mitch!  Spot - on diagnosis and suggested fix.  Swapped out the horn relay and I am back in business!  Easy fix.  Thx!
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This is a very complicated case (car), a lot of ins, a lot of outs, a lot of what-have-yous.