I have a 1998 v70 xc awd. My alarm is going off and I cannot turn it off, therefore the car will not start. The alarm horn was disabled by the previous owner of the car so that is not a problem, just the lights flash. I do not have a key with lock/unlock/alarm buttons attached and the key that I do have only opens the back hatch. Also, the automatic locks stopped working so I thought I would lock/unlock them manually but now the rear passenger door will not unlock no matter how hard I pull the lock up. Not sure if that is a separate issue or not. I don't know how to turn the alarm off without being able to lock and unlock the doors.

Vincent G

• 2363 Answers
• Posted on Aug 28, 2011

SOURCE: 1997 Volvo 960 It worked fine

Dave Burton (Volvo GOD) / top Volvo relay vendor in the Internet has this page for your reference,

LINK HERE

The relay tray is under the empty center console tray. //// mounted side way. (picture on the bottom)

The reply and relay socket question is label as relay "C"

Check for burn on the base of the relay,burn smell,corrosion on pin(s),and bad socket base.

Give the relay "C" a firm press to re-sit it.

If it does no work then you will need to do some "known good" relay swap to see does the trouble follow.

I recommend you to re-sit and inspect each relay before do the swapping.

Keep a good record on which relay you are swapping around.
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Also try your 2nd / spare key fob remote to see does it unlock the doors.
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Last item.....never assume, Check the battery voltage at the battery posts. It should be 12.8V +

SOURCE: I need to jump start my 1997 Volvo S90. I connected all the cables and

try checking your ecu fuse under the hood near the right side of the motor sometimes replacing a battery it will pop some fuse when not being careful