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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Well had a heavy rain the inside of my 2002 chevy avalanche

Customer Question

Well had a heavy rain the inside of my 2002 chevy avalanche was soaked and i believe theirs something wet or my factory security system is preventig me from starting my car
JA: Will the headlights turn on? Is the battery fully charged?
Customer: Yes bought new battery and the lights are on however i had to remove the fuse for the horn because it wont stop
JA: What is the model of your '02 Chevy?
Customer: I think im answering this correctly its a z71 v 8 vortex engine
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: If i could by resetting the alarm if not i would like my car to run it was perfect before b.s.
JA: Anything else you think the mechanic should know?
Customer: Typo it was perfect befor it rained and yes i did have a keyless entry alarm installed because i never received one upon purchase which was maybe three months ago
Submitted: 1 year ago.
Category: Chevy
Expert:  Chad Farhat replied 1 year ago.

Hi, I'm Chad ,Welcome To JustAnswer, I'm reviewing your question and I will be be posting a replay ASAP

Expert:  Chad Farhat replied 1 year ago.

is there a red security light flashing or steady on while you attempting to start it .

if there is try the master reset .

Master reset Procedure

1- Disconnect Battery Cables ( Negative & Positive Cables )

2- Hold cables Together for 20 secs ,then let go

3- Wait 10 minutes

4- Make sure all doors are closed

5- Reconnect battery Cables

6- Lock & unlock the vehicles using the key from driver door side (if you have a key fob with no blade key, just lock & unlock using the key fob buttons)

7- Enter the vehicle and attempt to start

If that dont work, we will need a diagnostic scan and retrieve some fault codes and know what failed ?

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

Customer: replied 1 year ago.
Ok ill try this procedure now
Expert:  Chad Farhat replied 1 year ago.

ok sounds good let me know