Whose got a viper alarm?

[Epic0318 10+ year member]

so i got the Viper 5901 2 way alarm with remote start. but i heard that i might need a bypass for this alarm to work on my car. does anyone know where i can find a bypass for a 2004 impala? or if you know if i will need one for sure?

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[Buck 5,000+ posts]

I think the bypass you are speaking of is for the remote start. I'm not sure where to find one, but mine was about 80 bucks on my F150.

 

[Epic0318 10+ year member]

yea i think thats what the guy was telling me it was for. but he said the bypass is car specific and idk which one i would need for my car. and is it only for the remote start?

 

[Buck 5,000+ posts]

yea i think thats what the guy was telling me it was for. but he said the bypass is car specific and idk which one i would need for my car. and is it only for the remote start?

It's to override the Anti-theft something. Basically it reproduces the same signal as the key so you don't need the key to start the vehicle IIRC.

 

[FLboy4x4 10+ year member]

Most of the bypasses do quite a few cars. The one I use does most cars but you need to flash it to the vehicle type and wire it up

 

[Epic0318 10+ year member]

o ok. i think i found what you mean. would this be it?

Amazon.com: Directed Electronics PKALL Encrypted Key Data Tranponder Bypass Kit: Electronics

 

[Buck 5,000+ posts]

I'm not sure man.

 

[FLboy4x4 10+ year member]

The pkall should work but there is a special connector that usually only dealers have. So you may be able to sweet talk someone into flashing the bypass

 

[bubbagumper6 5,000+ posts]

Looks like it requires a passlock 2 bypass, not a big deal.

2004 Chevy Impala Wiring Diagram

 

[Epic0318 10+ year member]

The pkall should work but there is a special connector that usually only dealers have. So you may be able to sweet talk someone into flashing the bypass

what do you mean by flashing?

 

[bubbagumper6 5,000+ posts]

You can buy them on ebay.

It says right in the link the part numbers: 555L or 555T

http://cgi.ebay.com/GM-Remote-Start-Bypass-Interface-Module-DEI-555L-555LW-/200462035356#ht_1449wt_1396

 

[FLboy4x4 10+ year member]

Well if the module does more than one vehicle like most do then you would need to hook it to a computer download the firmware for the specific vehicle and load it on the module.

 

[bubbagumper6 5,000+ posts]

He doesn't have to flash anything, it's a simple bypass, it just means you have to connect a few more wires.

 

[Epic0318 10+ year member]

You can buy them on ebay.
It says right in the link the part numbers: 555L or 555T

GM Remote Start Bypass Interface Module DEI 555L 555LW | eBay

so with this module i can use it without doing the flash thing? it would just connect and work fine?

 

[bubbagumper6 5,000+ posts]

so with this module i can use it without doing the flash thing? it would just connect and work fine?

Yes, did you click the first link I posted? The12volt.com is one of the best resources on the net for installing pretty much anything. They've got your wiring diagram and it says right on there you need the 555L or 555T. The link I posted was for a 555L. I installed one of these on my buddy's car and everything went fine...They'll both include wiring instructions.

And no, you don't have to flash anything, it just wires in.