During removal installation of the manifolds, wireharness have to be removed and probably some ground connections too. Ensure they are correctly and securely reconnected.

Answered by KHLow2008 (expert)
39,869 answers provided

WENT OUT AND CHECKED ALL CONNECTIONS COULD NOT FIND ANY LOOSE OR INCORRECTLY INSTALLED ANY OTHER SUGGESTIONS WOULD BE GREATLY APPRECIATED THANKS GARY

Response from GARY KRUEGER
4 questions asked

Try checking for trouble codes first.

Answered by KHLow2008 (expert)
39,869 answers provided

THERE ARE NO TROUBLE CODES

Response from GARY KRUEGER
4 questions asked

If no codes are thrown and speedometer is not working, problem should be at the meter cluster.

Answered by KHLow2008 (expert)
39,869 answers provided

THE METER CLUSTER WOULD DEVELOP A PROBLEM JUST OUT OF THE BLUE AND JUST SHOW UP AFTER I CHANGED INTAKE GASKETS ETC? THANKS GARY

Response from GARY KRUEGER
4 questions asked

It should not but then again coincidences do happen.

Answered by KHLow2008 (expert)
39,869 answers provided

IS THERE A WAY TO TEST THE METER/ CLUSTER? IF SO HOW DO I GO ABOUT DOING IT. THANKS GARY

Response from GARY KRUEGER
4 questions asked

The trouble code P0500 diagnostic procedures should help you on the diagnostics.
Which engine do you have?

Answered by KHLow2008 (expert)
39,869 answers provided

THE ENGINE IS A 4.3 L

Response from GARY KRUEGER
4 questions asked