Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

nothing happens when ignition key turned back..

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Old 06-14-2006, 03:05 PM
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Car: 90 IROC
Engine: 5.7 TPI
Transmission: auto 700-r4
nothing happens when ignition key turned back..

okay.. i realize im suppose to be able to have power to some accesories ie; radio and such other things when my ignition key is turn counter clock-wise. BUT, when I turn back the switch.. i dont have any power. It did this with the stock stereo also.. i have an aftermarket head unit now but I never really payed attention to it.. what could be the problem..?
Old 06-14-2006, 03:09 PM
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The ignition switch may have a bad connection for the accersories or not have the proper wires hooked up. Check the switch, it is located down the column under the dash (not the part where you turn the key jsut to clarify). Best bet is that switch, good luck!!
Old 06-14-2006, 03:34 PM
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Or make sure the accessory wire is properly connected to the stereo?
Old 06-14-2006, 03:50 PM
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Originally Posted by 82 Iron Duke
Or make sure the accessory wire is properly connected to the stereo?
Shouldn't that be the same wire whether the key is forwards or backwards??
Old 06-14-2006, 05:43 PM
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Yes, the load wire is the same. Even the ACC feed wire is the same. The difference is the switch contacts and adjustment of the switch and linkage.
Old 06-14-2006, 08:03 PM
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Car: 90 IROC
Engine: 5.7 TPI
Transmission: auto 700-r4
Originally Posted by Vader
Yes, the load wire is the same. Even the ACC feed wire is the same. The difference is the switch contacts and adjustment of the switch and linkage.
so it isnt really something electrical.. but some adjustment is needed to the switch??
Old 06-14-2006, 08:06 PM
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Car: 89 camaro
Engine: 305 fuel injected throttol body
Transmission: 700r4
Axle/Gears: rear is from a fire bird
hi i am andy i was wondern if u new how to hot wire a 89camaro rs. my ignition went out and i don't no wear the wires are or what color they are or what one to touch to make it start. get at me on aol or at my email aol name is cavilear862008 or at andy79z282002@yahoo.com
thanx
Old 06-14-2006, 08:24 PM
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Originally Posted by sicc87
so it isnt really something electrical.. but some adjustment is needed to the switch??
possibly or you may need a new switch all together
Old 06-14-2006, 08:28 PM
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Car: 89 camaro
Engine: 305 fuel injected throttol body
Transmission: 700r4
Axle/Gears: rear is from a fire bird
hot wiring a 89 camaro

well i do need a new one but i would like to hot wire it for now so i can drive it i don't no what wires to touch or wear they are located or what color they are
Old 06-14-2006, 09:14 PM
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Originally Posted by andy89camaro
well i do need a new one but i would like to hot wire it for now so i can drive it i don't no what wires to touch or wear they are located or what color they are
It all depends on why the car doesn't start, you can just intercept the purple wire going to the starter and run power to that, but you will need to make sure you don't have the car in gear. Thats the easiest way, but you will need to fix it when you find out what the original problem is.
Old 06-14-2006, 10:42 PM
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Car: 89 camaro
Engine: 305 fuel injected throttol body
Transmission: 700r4
Axle/Gears: rear is from a fire bird
hot wireing

what wires do u touch that are under the dash on the driver side of the car the wires that go to the ignition should be the ones but i am not sure . and the ignition is located on top of the steering colum about a foot from the ignition switch. the ignition has 8 wires that pluge in to it. they are
red 2 pink orange yellow green brown wit white stripe and black they go to the ignition but i don't no wear they all come from cuzz they don't come from the key. the ones that come from the steering colum are light brown green black light blue dark blue brown purple yellow green white and they all got to a plug that goes to wire of the same color of wires but the is no white on the othe side of the plug on the other plug. the plug is black. the other wires that are comin out of the steerin colum are white grey green purple pink and go to a white plug witch ave the same color of wires one of them groups of wire have to start the var its just witch ones are they
Old 06-15-2006, 09:09 AM
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The large red wire is main battery power. In order to start and run the engine, you'll need to jump power from that wire to the orange wire so that the alternator can charge. You'll need to jump power to the pink wire so that the ECM can operate. You'll need to jump power to the yellow wire to operate the starter motor.

If the car also has a VAT system, you cannot just jumper the wires. You'll also have to provide the correct resistance to the VATS module so that the ECM will fire the injectors. You could theoretically end up with six jumper wires installed just to power up, enable, and crank the engine. It would probably be easier to repair the switch.
Old 06-15-2006, 09:47 AM
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Car: 89 camaro
Engine: 305 fuel injected throttol body
Transmission: 700r4
Axle/Gears: rear is from a fire bird
what is the vat system and the vats module and the ecm and can i get it started from the out side of the car under the hood
Old 06-15-2006, 10:14 AM
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Car: 89 camaro
Engine: 305 fuel injected throttol body
Transmission: 700r4
Axle/Gears: rear is from a fire bird
hot wiring a 89 camaro

every thing has power the fuel injectors the coil the altinator the starter but nothin will turn over
Old 06-15-2006, 10:22 AM
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what is the vat system and the vats module
V.A.T.S. - Vehicle Anti-Theft System. A control system that detects the presence of the correct ignition key inserted in the ignition lock cylinder to either enable or prevent engine starting and operation. The system will disable the fuel injectors and engine cranking (depending upon the year of the system) to prevent unauthorized use of the vehicle. The VATS module is the device which decodes the key and sends a signal to the ECM to either allow or deny engine starting. The system also includes a starter lockout relay and warning/status indicator lamp.

and the ecm
E.C.M. - Electrontic Control Module. The device (computer) that monitors engine and vehicle conditions, controls the ignition and fuel injectors, and several other functions of the vehicle. This works in conjunction with the VATS module to allow starting under the right conditions.

and can i get it started from the out side of the car under the hood
It can be done, but not without rewiring the vehicle.
Old 06-15-2006, 11:20 AM
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Car: 89 camaro
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Axle/Gears: rear is from a fire bird
hot wireing

ok i found out i don't have the vat system. yeah every thing has power to it. but it won't even turn over. if i new whitch wires i need to touch. it def has me lost
Old 06-15-2006, 11:24 AM
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Originally Posted by andy89camaro
ok i found out i don't have the vat system. yeah every thing has power to it. but it won't even turn over. if i new whitch wires i need to touch. it def has me lost
That was your question before.

Originally Posted by Vader
The large red wire is main battery power. In order to start and run the engine, you'll need to jump power from that wire to the orange wire so that the alternator can charge. You'll need to jump power to the pink wire so that the ECM can operate. You'll need to jump power to the yellow wire to operate the starter motor.
That is STILL the answer.
Old 06-15-2006, 11:34 AM
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Car: 89 camaro
Engine: 305 fuel injected throttol body
Transmission: 700r4
Axle/Gears: rear is from a fire bird
hot wiring a 89 camaro

k well do u no witch wires should make it all turn over and start the car
Old 06-15-2006, 12:26 PM
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Car: 89 camaro
Engine: 305 fuel injected throttol body
Transmission: 700r4
Axle/Gears: rear is from a fire bird
got it runin

hey thanks for the help i got it runin
Old 06-15-2006, 01:12 PM
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Car: 89 camaro
Engine: 305 fuel injected throttol body
Transmission: 700r4
Axle/Gears: rear is from a fire bird
ye ha my baby is runnin

ye ha i am havin fun now just took her for a hell of a rip around the block came around the corner side ways. i'm tearin it up out there now i am ready to race yeeeeeeeeeeee haaaaaaaaaaaaaaa
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