When I got home tonight, I started checking circuits to make sure everything works as it should before I move forward, and close up the dash. Although it took some trial and error, I managed to find everything and verify it’s working status.
Except the engine cooling fan.
For the life of me, I have no Idea where that circuit is, or how to test it. All I know was that Steve built a circuit that uses a digital relay so that we can soft ramp up the fan so It won’t hit the charging system so hard when it starts.
Firstly, We did this because at the time, there were no start issues, and we thought back then that the current draw from the fan was causing a voltage drop big enough to cause running issues.
That turned out NOT to be the case.
Nonetheless, I wired in some goofy assed looking digital relay, so that My man Steve could program the fan to soft start, and ramp up with coolant temp. Problem is….I don’t know how to test its’ functionality. If it were a typical programmable output, using a standard relay, I’d be able to put the thing in test mode, and trigger that output. Once confirmed, I get to say to myself ( usually out loud) “ check“.
But it’s not.
So then Steve…
@a91what ……where the hell is this fan output, and how do I test the thing, and what’s the harm in reversing the output to something that my technically challenged ass can test w/o flagging you when I can’t?
Collateral damage:
The AC mode switch is terminal…it will not switch the vents on my Vintage Air AC system. It will only blow out all of the vents……..Except the defrost ducts.
Fixing that requires a drop of the AC plenum.
How do you say “No fukin way“ in Spanish?….Cause I want to make sure our hispanic members understand what I’m thinkin here too…And our French, German, Italian, Russian, Greek…hell,…the whole freakin Planet understands….
That I ain’t dropping that AC plenum.
Additionally, There are two little bug-peen sized light bulbs that illuminate the AC control panel. One of the wires broke off one of the two bug peen lights…I’d fix this if these bulbs were Oreillys kinda lights..( I’m thinkin the smallest light bulbs they have fall into the chicken dick sized category). Which leaves me wondering….
Do you think I can jam a chicken dick light into a bug peen hole?
One things for sure….I ain’t keepin the car disabled for a BPL. ( bug peen light).
Anyway…Checking all these circuits require. “ key on/key off” test process. Every time I do this, the fuel pump primes….
*A MS3x allows you to use un-dedicated injector, and spark outputs for other purposes if you don’t have an 8 cylinder engine…and when testing these outputs, selecting the “ on” mode would turn on that injector output or conversely fire that coil…
A real eye opening experience when you you don’t bother to count letters… (i.e. “spark f” is actually IN THE ENGINE!)
I’m here to tell you that there is a really loud bang when you do that….So much so, that the wife comes down into the garage to see if it’s still there, and see if all of your pieces-parts are still attached.
Its just another day in my life i guess….All in good fun. I liken it to how they used to use Dynamite to kick start old WWII bomber engines w/o the benefit of a properly functioning electrical system. ( Watch the recent version of Flight of the Phoenix to see what I’m talking about)
After she goes upstairs bitching about how you’ll blow up the house or kill yourself, I decide to try and start the engine…
It starts almost immediatey..as soon as the WB takes charge, settles into its warm up sequence….but I can’t let it run…cause she’s already pissed, and stinking up the whole basement with exhaust fumes would just bring on a whole nother level of “ get the fck away from me” when I came up from the garage.
So, I bailed. Wednesday is test day.