Which is the positive feed for the Fiero speedometer?
Which is the positive feed for the Fiero speedometer? J, & K are the positive feeds for the fuel injectors, One for each injector on TBI systems or one for each bank on PFI systems. The Fiero speedometer system works differently than most other GM vehicles. Click HERE for more info. What do you need to know about Fiero wiring? This is a list of all the connections that are needed to tie into the Fiero electrical system when doing an engine conversion. This list is to aide in the wiring process. All circuits should be verified before any connections...