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**antz.bin** · 07-24-2012, 01:37 AM

Query Approved

As far as I remember, you are also using higher wattage headlamp bulbs. If thats the case, its obvious why you have the issue.

**Abhijeet Bhattacharjee** · 07-24-2012, 08:24 AM

Check the electrical connections. Are you using a 55/60W headlamp & roots horn or dual horn?
Also, replace the horn with another horn and see, most probably there's some internal short in the horn.

**vkuchhal** · 07-24-2012, 10:18 AM

I think when you are using 2 horns , shouldn't you be connecting a relay as well.

**Abhijeet Bhattacharjee** · 07-24-2012, 07:29 PM

Originally posted by vkuchhal View Post

I think when you are using 2 horns , shouldn't you be connecting a relay as well.

Not mandatory.

**reachsamik** · 08-18-2012, 03:07 AM

sorry for late reply.
No there is no relay / any other mod has been done.

My problem is when switching on the indicators and pressing horn in low RPM the sound of horn is feeble. and in night when all lightings are on then the horn sounds less ( the tone of the horn changes)

I have tested my battery with a multimeter myself and its delevering 12+ voltage, not sure about the amp ( could not check that).

can this be fixed by adding a relay ( not sure about this thing / saw in some posts).

If yes please give me an estimate cost for this. ( i would be happier if it allows me to add one more horn without changing my battery as the battery is only 1yr old and just serviced it last month by charging and adding distilled water)

Thanx.

**reachsamik** · 08-26-2012, 03:09 PM

Hello.
Few days back suddenly my bike fuses blown as i was trying to tune the horn by a screwdriver ( unfortunately the screwdriver touched the engine head ) and i had to change the fuses. i was in a hurry while going to office so i asked for bajaj discover fuse and the shopkeeper gave me two. i fitted and the bike is running fine. but suddenly today i noticed that my previous fuse was (10 amp) but the new ones are (15 amp).

Please advice me can i continue with these (15 amp) fuses or i need to change it back to (10 amp).

also i think that my bike battery has given up as it is unable to hold charge long as i charged it just one month back but now it is showing low battery warning when it is idle. and the horn is feeble while using all ligntings.

Lighting's:
1. pilot lamps ( not stock ones , these are white and cheap ones costed me rs. 50 for two)
2. 2 horns ( 12v) ( one is extra)
3. other lightings + indicator are stock ones)

please advice.

**Abhijeet Bhattacharjee** · 08-26-2012, 09:56 PM

Change the fuse with a 10A fuse.
1. Pilot lamps are fine, don't bother.
2. Do not use 2 horns, each horn (simple ones) consume about 24W.

Check if your battery is fine. Also you said that the battery is showing just 12V when not in use but AFAIK a healthy battery should show 13+ V ideally.
Replace the battery, if you have warranty on your battery then claim for it.
Also check if the RR is supplying sufficient current, that is seems fine as you mentioned the problems are noticeable only in low revs.

**Samshalu** · 08-27-2012, 10:23 AM

The problem are the dual horns,they take too much charge from the battery & also change the current fuse to a higher ampere fuse...best solution is just to remove the horns for now & find some horn suitable for your bike..rest all is fine.

**Gyroerror** · 08-27-2012, 02:01 PM

Originally posted by Samshalu View Post

The problem are the dual horns,they take too much charge from the battery & also change the current fuse to a higher ampere fuse...best solution is just to remove the horns for now & find some horn suitable for your bike..rest all is fine.

+1 (minus the higher amp fuse

)

The problem is the horns and not the battery. A relay will only prevent the switch wires from over-heating and does nothing about the voltage draw from your battery.

At low RPM the stator does not produce sufficient current to charge your battery , power your horn and other electricals, so what you say is pretty normal. To make matters worse you have two horns.

You do get low draw twin horn setups and my guess is that you are using one of the local makes or horns made for an automobile. Get them replaced & get your battery checked and charged overnight before you use it again.

**reachsamik** · 08-29-2012, 01:48 AM

ok. thanks all. i will do that.
can anyone has an idea of a good horn which can produce good sound. the stock one which comes with discover is "Minda" and is very feeble. i installed another of the same company "Minda" but little bigger. both of them at a time sounds way better . but now as you suggested so i will remove one asap.

if anyone has any idea which horn i can use for a deeper sound i shall be glad.

battery is : 12v, 5amp.

**pavanchirmade** · 08-29-2012, 12:12 PM

A relay is definitely mandatory when installing dual horn. The fuse blows because you are drawing too much current through it as you have connected the extra horn to the stock wiring itself. Get a relay installed and you can use those dual horns without any issues. Also, remember to switch back to a fuse of the right rating.

**reachsamik** · 09-01-2012, 02:35 AM

may i know what will be the cost of adding a relay for these dual horns??? please.

**Abhijeet Bhattacharjee** · 09-01-2012, 02:05 PM

Originally posted by pavanchirmade View Post

A relay is definitely mandatory when installing dual horn. The fuse blows because you are drawing too much current through it as you have connected the extra horn to the stock wiring itself. Get a relay installed and you can use those dual horns without any issues. Also, remember to switch back to a fuse of the right rating.

dude even with a relay the power would be fed via the same fuse... discovers already have relays to operate the switches...
FYI I'm using 55/60w headlamp and a have had used 50w horns without any relays, I have never had any problems what so ever.

**reachsamik** · 09-08-2012, 12:59 AM

I have removed the extra horn and changed the full acid and water , charged the battery again three days back but still the problem remained.

one more problem added that suddenly i noticed my right pilot lamp is blinking rapidly every now and then. sometimes when in idle , sometimes when riding ( no specific time). i have tightened the light and checked the wire but still it blinking. i have removed the pair and will try a new pair.

i visited some repairing shops , one told me its because of faulty wire , one said its caused by defective (condenser ???), another said its because of rain. i am really confused which one to believe.

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