Did someboby know what it is??

[Piratehunter]

over here the auto parts stores have them and will come out to the truck, hook it up, and read and clear the codes, no charge.

what @PlayingWithTBI said will clear them

 

[someotherguy]

OBD I which is the system your truck uses, does not require any scan tool to read or clear codes. You can clear them with a momentary battery disconnect as mentioned earlier. You can read them using a paper clip -> https://www.troublecodes.net/gm/#access

You'll first see blinks that equate to a code 12 (normal) - flash, flash-flash. It will do this a total of 3 times, then move on to the next code, which will flash 3 times, then the next, until it comes back around to code 12 again. That way you know you've seen all the codes. Write them down as you go then check them against the list and let us know what you have.

Richard

 

[Trio]

tks for now and sorry for my english.. for sure it is better than your italian

@RoxyItaly

In actualita' parlo un po' di italiano... mi piace il tuo pickup

 

[Supercharged111]

@RoxyItaly

In actualita' parlo un po' di italiano... mi piace il tuo pickup

I like this one better.

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[RoxyItaly]

OBD I which is the system your truck uses, does not require any scan tool to read or clear codes. You can clear them with a momentary battery disconnect as mentioned earlier. You can read them using a paper clip -> https://www.troublecodes.net/gm/#access

You'll first see blinks that equate to a code 12 (normal) - flash, flash-flash. It will do this a total of 3 times, then move on to the next code, which will flash 3 times, then the next, until it comes back around to code 12 again. That way you know you've seen all the codes. Write them down as you go then check them against the list and let us know what you have.

Richard

But sorry where is the OBD? I think the 1989 have not..

 

[89RCLB]

The OBD1 port will be located under the driver's side of the dash very close to the hood release lever.

How to read older GM OBD diagnostic codes for free

 

[RoxyItaly]

That's my BOY... still need a lot of work..
TBI running rich need to be solved

 

[xXxPARAGONxXx]

I like this one better.

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[Supercharged111]

That's my BOY... still need a lot of work..
TBI running rich need to be solved

Those hubcaps, bumper, and grill are an odd combo that I don't think ever came stock here. IIRC those are late square body caps. Did you do that?

 

[Trio]

That's my BOY... still need a lot of work..
TBI running rich need to be solved

Bellissimo! love it, very unique mods you have done and I suspect very rare in Italy.