Patsy57

iTrader: (37)

So I replaced my radio and now Vats wont allow the car to start, any ideas what I did or what to do to fix this?

Old Geezer

iTrader: (3)

AIRC, the radio has an anti theft device in it???
I remember reading that some vehicles have this, so the thieves can't use the stolen radio in another vehicle...
Not sure how to "program around" this... Someone will respond, I'm sure.

Patsy57

iTrader: (37)

Well I reconnected the old radio and it still doesnt start so I`m thinking Vats?

bigboykilroy

iTrader: (48)

the radio should not cause the car not to start.
the radio if locked will only not turn on.
Make sure the pellet in the key is clean. clean the ends with rubbing alcohol.
Other than the radio has anything changed?

blade2222

dose the security light on?

skypuppy99

have you left the key in if you have it will keep adding time to not let it start if its in the vats. pull key and wait 30 mins to be safe. was your factory radio locked? does the light on the dash in def. vent blink? car should start with out radio. how did you power new one? If your old radio was locked car should still start just no radio.

chevymec

iTrader: (19)

The radio doesnt effect the starting of these cars. Is the security light on or flashing?

3Camaros

Is it a stick car, maybe you knocked the switch off the clutch. Also check for any blown fuses.

If it is VATs the light would be flashing. The light should come on when you turn on the key they go off. You can measure the resistance of the key with a ohm meter, then wire in the same resistance under the dash with radio shack resistors. I have seen a write up on this somewhere on here.

Patsy57

iTrader: (37)

So Originally when this occured the car would crank and then stop cranking and the secufity light would come one. Now I have done the resistor method and the car cranks but does not start and the security light is on. So what next?

Patsy57

iTrader: (37)

Car is a manual transmission

Patsy57

iTrader: (37)

here are some pics of the bypass, the vats is still engaged did I cut the right wire? Believe so

chevymec

iTrader: (19)

Looks right. How close was the resistance of the key v/s what you put inline?

Patsy57

iTrader: (37)

bypass resistance is 9.33, key is 9.56 so it seems its should be right, right?

Patsy57

iTrader: (37)

By the way it seems only one headlight comes up now, does that make any sense?

chevymec

iTrader: (19)

Im assuming that these are 9.33k and 9.56k? Looking at shbox those should be within spec. Might want to find someone with a scanner to pull any codes.

bigboykilroy

iTrader: (48)

I like this VATs bypass much better.
I thought the resistance was very pickey like 1% of the pellet value and no start.
but here is the link
https://ls1tech.com/forums/conversio...ts-bypass.html