Search results

  1. Mathies

    tbi no injector pulse 1989 k1500

    hey guys after buying a new ecm a lot of the problems where solved but one the injectors doesnt spray fuel. i already diagnosed a little. - i have spark in al 8 cill - the ecm recieves 12V to D14 and D16 - the injectors have 1.5ohm wich is above 1.2 - when connecting test light to injector...
  2. Mathies

    Prom + ecm?

    Hello Does anyone sell a ecm + prom For a gmc sierra k1500 5.0 with th700r4 trans. I let my ecm out in the open air with direct sunlight and i heard thats no good and will cause them to dont work anymore. So i think im pretty ******. I didnt know that and hate myself for it Thanks in advance
  3. Mathies

    89 electrical

    hello could someone maybe help me my ecm burns internally on pin C16 thats where the 12V come from the fuse link. i disconnected al the plugs from my pickup but it stil burns out. if i put 12V on the ecm and ground it on the batt it doesnt happen. so im guessing something is shorted out from...
  4. Mathies

    Help 89k1500 pls

    Could anyone tell me what this is in the first picture? And do you have any idea where this should plug in i cant find anything. (Second picure) And on the 3rd picture should there be a relay or is this normal like that. It has a black, orange, tang and green wire goin to it. Pls help im...
  5. Mathies

    ecm pin C16 blows

    hello a while ago u guys helped my diagnose a faulty ecm, the circuit that goes from pin c16 was blown like you can see in the picture. i got it repared by a local ecu repair guy. now when i installed the ecm again and when connecting the batt neg side i heard that it blew again and it did when...
  6. Mathies

    89 k1500 5.0 no start

    Hello im pretty new here so first im mathies a belgium car mechanik student and in love with the american muscle and pickups. A few months ago i bought a beautiful non running gmc sierra k1500 5.0 305 from 1989. I knew it would be a challenge to get her fired back up but a great learning...

Latest posts

Members online

... and 22 more.
Total: 1,906 (members: 72, guests: 1,834)

Forum statistics

Threads
64,619
Messages
1,397,547
Members
52,103
Latest member
bcass

Share this page

Top