Snow is forecast so of course the truck is on the fritz.
It's about 40 degrees out. Turn the key, "wait to start" light doesn't come on and grid heaters obviously not working. I have a Quadzilla tuner and if I just leave the key on long enough I can see that the IAT is reading 40 degrees so I know the IAT is working.
Even if the relays or grid is broke shouldn't I still see the "wait to start" light coming on for 10 seconds?
Problem solved!
Excessive corrosion on the positive battery terminal was blocking high power to the relay through the fuseable links. Apparently, no high power to relay = no little red "w
Snow is forecast so of course the truck is on the fritz.
It's about 40 degrees out. Turn the key, "wait to start" light doesn't come on and grid heaters obviously not working. I have a Quadzilla tuner and if I just leave the key on long enough I can see that the IAT is reading 40 degrees so I know the IAT is working.
Even if the relays or grid is broke shouldn't I still see the "wait to start" light coming on for 10 seconds?
Is there something obvious I'm missing?