found a computer in my glove box

[1980c-10 mybaby]

ok so i have a 1980 c-10...... correct me if im wrong... where there computers back than in these trucks? and if so what are they used for engine purposes? or what not.... if someone could send me the wiring diagram for my 1980 c-10 that would be nice or the answer to my question would help alot.

Thanks Guys

[thrtsxchambers]

I don't think there are computers in these trucks, if so I would think maybe in an 87 b/c I think they had fuel injection. I have some wiring diagrams in my shop but I won't be in there until the morning and I will look at what I have. Too cold and windy (lazy) to walk to the shop tonight.HAHA

[baggedcten]

i have a 86 and it had some computer looking thing back there too.They say it had something to do with the ignition or something.Maybe someone will chime in that knows.

[STOCKISH]

Some of these trucks had a turbo 350 that was computer controlled. Called a th350c. Mine had one and has an computer behind the glove box. Also possibly for the computer controlled ignition some of these trucks had. Called ESC.

[wfomkivdrvr]

Or Electronic spark control (ESC)

[PhilaTruck]

That's the Electronic Spark Control (ESC). Had one in my 83. All it controlled was, well, the spark.

You can enjoy Mike Ervin's instructions on removal here, if it's shot.

[1LowToy]

Can we have a little more info? Like the drive train you have in it,the truck born on date? Does it have an O2 sensor?

I was told mine was a 79, but the paperwork shows 1980. I haven't found a computer yet, Guess I better look closer.

I know the California models 82-86 (possibly 80-86)were feed back carburators. Thats why they are so cheep out here because they can be a real pain to get to pass smog. The feed back carbs wear out and are plenty pricey to get replaced.

[ortega]

i had one in my 85. it turned the check engine light on. it was something control solenoid on the carb. when i swapped in my 454 i took all of that stuff out with no problem

[1980c-10 mybaby]

well here the problem with my truck i bought her sunday no engine or tranny...... and they guy i bought it from didnt take a motor out he just did the body work..... also my vin tag that is under the dashpad someone drilled out and placed a new one there and i know this cause the rivits that holed the original vin tag in is now replaced by screws....... so im not sure what engine and tranny where in there before..... not sure if that helps anyone thats trying to help with my question

[1LowToy]

I'm sorry. But sounds like you bought a hot (stolen) truck. Why in the world would you switch a VIN in a truck? May be only a switched cab but?????

I take it back to the guy in a big hurry.

[ToughBowtieTruck]

Since about 82-83 all the GM pickup trucks do have computers for emission control purposes, as said. The computer harness was simple, using splice connectors to connect to the distributor and the carburetor.

All trucks with 700R4s had computers also.

[wfomkivdrvr]

Originally Posted by ToughBowtieTruck

Since about 82-83 all the GM pickup trucks do have computers for emission control purposes, as said. The computer harness was simple, using splice connectors to connect to the distributor and the carburetor.

All trucks with 700R4s had computers also.

I challenge you too find a computer in my 1982 K5 6.2L 700R4

[72lb4x4]

Originally Posted by 1980c-10 mybaby

well here the problem with my truck i bought her sunday no engine or tranny...... and they guy i bought it from didnt take a motor out he just did the body work..... also my vin tag that is under the dashpad someone drilled out and placed a new one there and i know this cause the rivits that holed the original vin tag in is now replaced by screws....... so im not sure what engine and tranny where in there before..... not sure if that helps anyone thats trying to help with my question

"also my vin tag that is under the dashpad someone drilled out and placed a new one there and i know this cause the rivits that holed the original vin tag in is now replaced by screws."

Yikes! Stop and search the web right there. Check the SC (I think) DMV to make sure you can title it before dropping money in it. Google your state, dmv and title for example.

If you don't have a clear title, why spend money on it? So says an old fool from Ohio where we transfer titles cuz the state makes us...

[motornut]

i'd double check the vin,would not want to be pulled over and find out it's stolen....changing the cab is one thing but changing the vin without papers,not legal up here,when re vinning you must use rivits

[glock35ipsc]

Originally Posted by 1980c-10 mybaby

also my vin tag that is under the dashpad someone drilled out and placed a new one there and i know this cause the rivits that holed the original vin tag in is now replaced by screws.......

Take the truck back, like yesterday, and get your money back.

[1980c-10 mybaby]

the title is clean matching the same year truck as mine and the vin which has been replaced in the truck unless for some reason he did change the cab but the owner changed the front clip and tail gate are labeled with the gmc logo from the original chevy parts

[glock35ipsc]

Imagine standing on the side of the road, trying to explain to a LEO why your VIN tag is screwed on.......

[1980c-10 mybaby]

yeah i know what you guys are saying im gonna go talk to dmv today after class........ its hard working around damn college and only being 18 lol

[glock35ipsc]

Keep in mind that if a LEO wants to, he can impound the truck until the courts are satisfied that the intent of changing the physical tag was not fraud.

From North Carolina statutes:

§ 20‑109. Altering or changing engine or other numbers.

(a) It shall be unlawful and constitute a felony for:

(1) Any person to willfully deface, destroy, remove, cover, or alter the manufacturer's serial number, transmission number, or engine number; or

(2) Any vehicle owner to knowingly permit the defacing, removal, destroying, covering, or alteration of the serial number, transmission number, or engine number; or

(3) Any person except a licensed vehicle manufacturer as authorized by law to place or stamp any serial number, transmission number, or engine number upon a vehicle, other than one assigned thereto by the Division; or

(4) Any vehicle owner to knowingly permit the placing or stamping of any serial number or motor number upon a motor vehicle, except such numbers as assigned thereto by the Division.

A violation of this subsection shall be punishable as a Class I felony.

(b) It shall be unlawful and constitute a felony for:

(1) Any person, with intent to conceal or misrepresent the true identity of the vehicle, to deface, destroy, remove, cover, alter, or use any serial or motor number assigned to a vehicle by the Division; or

(2) Any vehicle owner, with intent to conceal or misrepresent the true identity of the vehicle, to permit the defacing, destruction, removal, covering, alteration, or use of a serial or motor number assigned to a vehicle by the Division; or

(3) Any vehicle owner, with the intent to conceal or misrepresent the true identity of a vehicle, to permit the defacing, destruction, removal, covering, alteration, use, gift, or sale of any manufacturer's serial number, serial number plate, or any part or parts of a vehicle containing the serial number or portions of the serial number.

A violation of this subsection shall be punishable as a Class I felony. (1937, c. 407, s. 73; 1943, c. 726; 1953, c. 216; 1965, c. 621, s. 3; 1967, c. 449; 1973, c. 1089; 1975, c. 716, s. 5; 1979, c. 760, s. 5; 1979, 2nd Sess., c. 1316, s. 47; 1981, c. 179, s. 14; 1987, c. 512; 1993, c. 539, s. 1255; 1994, Ex. Sess., c. 24, s. 14(c).)

[thrtsxchambers]

If your not sure I would contact the DMV before you dump money it or get falsely accused of possible stolen or improperly altered vehicle. Figure that out then we can help you figure out the computer issue.
Good luck.

[thrtsxchambers]

I refered to my sometimes trusty haynes manual and guess what I found. A computer in my truck, learn new things everyday. The ecm but looks like it is not as confusing as the newer models.

[1LowToy]

Originally Posted by thrtsxchambers

I refered to my sometimes trusty haynes manual and guess what I found. A computer in my truck, learn new things everyday. The ecm but looks like it is not as confusing as the newer models.

And what year is your truck?

[thrtsxchambers]

83 fleet short. I looked and it is behind the glovebox stuffed up where it is hard the see.

[Slonaker]

The ESC box did so little that I wouldn't call it a computer. AFAIK, all it did was detect spark knock and retard the timing to make it go away. Trucks with CA emissions are different, though.

The fact that it has it should not worry you in the least unless NC is super strict on emissions testing like California, which I doubt.. Just run a regular HEI on the truck, and forget it is there. The VIN issue is the one you should be worried about.

Slonaker

[1980c-10 mybaby]

ok so i have talked to the DMV and they said take the screws out and try to rivet the vin plate in...... the truck that the vin is from was a good truck till the truck caught fire and they have record of the vin being taken off of the original vehicle ( how i dont know) so my vin and title are good they match the year and make of my truck.......... would anyone suggest taking the computer thingy out? or should i just get a new wiring kit? im going to get an all digital dash for the truck(speedo, tach, oil, temp....etc.....) and suggestions?