I installed a new battery on my 95 vw golf, however when I connect the terminals the alarm sounds on the car. How do I install it without the alarm sounding?

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I suggest you try inserting the ignition key and turning the key to the fully on position before connecting the new battery. Ensure the door is left open.

If the alarm still sounds then starting the engine or attempting to start it might cancel the alarm.
Reading the vehicle handbook could provide more information.

Here is a useful link. Go to it, and look for the text, "Disconnect the battery" ... Read the steps to solve your problem!

www.justanswer.com/vw-volkswagon/1y9u8-reset-anti-theft-alarm-system-1995-vw-golf.html

What your hearing is the factory alarm not the horn. Connect the battery when the alarm sounds go to the drivers door lock with the key and lock and unlock the door until the alarm goes off . Then reinstall the fuse for the horn.,

this is not normal ,not far a 95 model anyway that i remember ,is this alarm a factory immobilisor or a add on boy racer weekend mechanic type thing ,because if it is then just remove the whole alarm and bin it

a car of that year should have an ecu controlling fuel air mix etc. this normally controls the timing.
To reset the ecu on my '95 VW Golf disconnect the battery (negative / black terminal) for 15-30 minutes depending on who you ask. So I do 30 minutes.
If it has central locking make sure you don't leave the keys in the car when reconnect it. swich on the ignition without starting the engine so the dash lights up with the oil light etc. for 30 seconds then off for 10 seconds. then start your car. It will relearn so it will run a bit rough for a while but should settle down. take it for a spin on different types of road ie. slow and fast.

Did you have the code cleared after you installed the new part because the ECM cannot clear itself, even though you installed a new part and the code is still in the system? You need to have the code erased with a OBD II scanner.

the only alarm that "sounds" when installing a new battery is an aftermarket alarm and the only way to resolve it will be if you have the remotes for the vehicle

search under the dash for a little black box
it should look like is was installed with zip ties

simply unplug it and your good to go

Check to make sure you are connected to the proper terminals, and that the wiring has no faults from tach to the terminals.

Could be the problem. That piece is a relay, although I dont know which one. At one time it had a plastic cover on it. If you unplug it, it probably has 4 or 5 terminals labeled 84, 85, 86, 86a, 87.