Plat

What is this? Do I need to ground the tcm and take out the fuse box clean and reseat?
whatch the video, just purchased and this happened on the way home.
speedo going to zero sometimes, not shifting, Speedo starts working then trans shifts.
power steering lights up then all this happens.
IMG_1441.MOV

Plat

I don’t know why the video won’t load.

donbrew

yes.
And check the outside connection from the battery, check the connections to the battery, check the maxi fuse near the battery, make sure all of the fuses and relays in both fuse boxes are firmly seated.
Check if the ignition switch recall has been done, link in my sig.

RJ_RS_SS_350

You could try tightening the 3 or 4 bolts inside the fuse block before you go to the trouble of taking it apart. They need to be tightened more than you think.

PulpFriction

Don't attempt to diagnose an electrical problem with an iffy battery. Sometimes, the battery is the entire problem. You can get it load tested at most chain parts stores. Then, charge it and let it sit at least overnight and make sure it's holding 12.6V minimum.

If you buy a new battery, at least you'll have something to show for it. Non-returnable electrical parts you didn't really need, not so much.