weaponZ

iTrader: (11)

http://www.autometer.com/cat_gaugede...id=2909&sid=15

i installed this autometer tach.

white=ignition
green=(too PCM)white number 10
black=ground
red=constant

tach light come's on with ignition.when my car is turning over the guage move's,but when it fire's up it dont move.i did a search and someone was saying the guage might have to be sent to autometer to be adjusted for a v-8.are there anymore things that i can try?

sidewayz28

iTrader: (24)

why would it need to be adjusted for V8s? dont you think most people buy them are using v8s? besides rice rockets

weaponZ

iTrader: (11)

i even skinned the wire's back on the pcm and green wire from the tach and used a aligator clip to hold them sacure togather thinking the t-tap wasent getting good connection.

parbreak

iTrader: (17)

Obviously you don't have an Autometer tach. Yes, it does need to be hooked up specifically for a V8. I don't remember off the top of my head as it's been about 3 years since I installed my 5" tach, but double check the instructions, I believe you have to cut a wire when using with a V8 otherwise it's set for a 4 cyl.

weaponZ

iTrader: (11)

i just got off the phone with a friend that also said something about taking the back cover off and clipping a wire.the tach didnt come with any instructions either.

i looked at the back cover and there were 3 bolts.

parbreak

iTrader: (17)

Also, double check you hookups. Red should not be a constant power supply but a switched, like ignition. White should be hooked to a dash light power supply. This is according to Autometers instructions.

parbreak

iTrader: (17)

Just physically checked mine and my ORANGE wire is clipped. Works perfectly.

Here's a link to Autometer PDF files for installations. I know they say no wires are clipped for V8's but that's not right.

http://www.autometer.com/tech_instructions.aspx?sid=8

weaponZ

iTrader: (11)

here is a pic with the back cover removed

weaponZ

iTrader: (11)

another pic

i dont think there should be butt connectors's in there.i think maybe someone worked on it.i think im just gonna get a raptor light if this is broke.

parbreak

iTrader: (17)

Yea, pretty sure Autometer doesn't use butt connectors at the factory. Someone has tampered with that tach.

Bryan

Moparnos (The SLP Guy)

iTrader: (55)

those wires that have the connectors should be sticking out the back of the gauge. but it looks like someone connected them again. well ls1 pcms send out a signal as if it was a 4 cyl. on autometer tachs out of the factory come setup for 8 cyl. those wires with the connectors are the ones that you use to configure your tach from 8cyl,6cyl and 4cyl. if no wires are cut it's 8cyl which is how you have it set right now. but since you need a 4cyl signal so you need those wires cut which is the brown and orange wires. just make sure those wires are not connected and it will work, it looks like the brown wire is off the board already so just remove the conector from the orange and you'll be in business.

weaponZ

iTrader: (11)

i'll give it one more shot.im gonna go clip the orange wire and reinstall the tach.if that dont work im gonna get my money back.

cliped the wire and hooked everything back up and the tach still didnt move when i cranked my car.i guess thats all i can do.

thanks for the help.

Moparnos (The SLP Guy)

iTrader: (55)

you should work thats the way i have it and lots of others here on tech. maybe the guy that you bought it from messed it up when he opened it. you did buy that used right.

weaponZ

iTrader: (11)

yup

of course it went thru a few hands.i didnt pay but 50.00 and my buddy said he will give me my money back.i think i raptor light will look better.