How do I check/replace the big fuse for the horn?

Man with no name · Post by **Man with no name** » Sun Jan 06, 2008 6:11 am

I made a post some months ago about having problems with my horn. Well now it is completely dead and before taking it to a mechanic to fix it I wanted to try the fuses...
how do I replace the big fuse (name?) thats in the engine compartment and where could I find a replacement for it?

thanks!

Pir0 · Post by **Pir0** » Sun Jan 06, 2008 10:58 am

The relay? If it's the relay other things might not work either.. think the horns usually assosiated with the cigerette lighter and maybe the interior light? Can't remember offhand. Best place to get one? Scrap yard and stick it in your pocket

daewoomofo · Post by **daewoomofo** » Sun Jan 06, 2008 2:42 pm

autozone would have them. check it with a volt meter before you just go buy another one.

Man with no name · Post by **Man with no name** » Mon Jan 07, 2008 8:32 pm

Pir0 wrote:The relay? If it's the relay other things might not work either.. think the horns usually assosiated with the cigerette lighter and maybe the interior light? Can't remember offhand. Best place to get one? Scrap yard and stick it in your pocket

Relay..thats the word I couldnt find

. According to the relay diagram that relay should only be for the horn. My cigarette lighter wasnt working but I fixed that by changing the fuse underneath the dash... so its not related to the horn as far as I can tell. Everything else is working - wipers, all interior lights, cigarette lighter, radio, antenna, power locks and windows... I would try the JY but of all the times I've gone I've only found 1 leganza, and I dont want to drive there just to get 1 relay out of a junk car that might end up being damaged as well...besides, they cant be that expensive can they?

Daewoomofo, Im completely ignorant when it comes to electrical stuff..got any links that explain how to use a voltmeter?

also, is there any special way to remove the relay or do I just yank it off.... dont want to cause unnecesary damage.

thanks guys

lanos2001 · Post by **lanos2001** » Mon Jan 07, 2008 9:42 pm

it just yanks right out.

nick

daewoomofo · Post by **daewoomofo** » Mon Jan 07, 2008 11:15 pm

my instructions were for checking a fuse but you could prolly do the same thing with a relay

(please note, theis may not be the actual wire colors, or their location on the relay)

an easier way to test this is with a test tight (less than $10, at any tool/parts store)
you will need to perform this test with the relay on the car, still pluged in

first off conncet the clip to the pos post of the battery. poke the other end of the test light (t/l for short) through the rubber coating on the wires going to/from the relay. there should be one wire that lights the t/l up. when you find that wire mark it as the neg.
second you need to find the positive wire. hook the clip to the neg post on the battery. when poke through the other wires, when the t/l lights up you mark that wire as the positive.
if you are unable to find the pos, or the neg you have other issues than the relay. if you cant find a neg, you need to reground the relay. if you cant find the pos, you prolly have a blown fuse
the remaining 2 wires are the incomming power (from the horn button) and the out going power (to the actuall horn) leave the clip on the negaitve post of the battery, poke the t/l through the rubber on one of the remaining wires (the ones that arent the pos, or neg), have a friend push the horn button, the t/l should light up. now do the same with the other wire. if you get both wires to light up your relay is fine. if only one of the 2 wires (not the neg or pos) lights up, you need a prolly need a relay.

i hope that made sence. if not in sure some one can give better instructions. good luck, keep us posted