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so i got my EWP and i will be installing it to work on a toggle switch (on the switch pannel i am making) i was thinking that i wanted to install a light that would come on if it were to ever fail ... kinda in the same idea as a shift light so i know to stop the motor ... is there a way to do this ?
Why not just have it run all the time with key on.
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This.Quote:
Originally Posted by popo8
Then add a switch to run with ignition off, its not that hard. Tell yourself you will always remember to turn it on, but you will forget once or twice. And god forbid someone goes to move your car etc.
As far as the light, GM was nice enough to give you a nice ECT gauge, perhaps watch it?
I think he is wanting a light that comes in if the EWP stops while the switch is on.
I would recommend having the pump connected to come on when the key is in the run
position with an add-on switch for those times when you want to circulate coolant with
the key off.
Only way i would know is use some kinda of normally open temp switch(kinda like an idiot light). it would monitor temp and not that the WP is turning
I use 2 relays in mine. One to turn on the WP with 12 switched from the fuse block, and the other for the "dummy" light. If you're wiring inept, I suppose I could scribble something up, but I went off someone else's recommendation for mine. But basically the dummy light relay has the LED/light wired to 87a and the coil side spliced inline to the WP leads. That way, if the WP circuit goes open on either voltage or ground, the dummy light relay de-engergizes, supplying voltage to 87a, and turning on the light.
Or u just watch ur temp guage. If it gets to the red... something is not working right. Lol
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Best idea I have seen so far, but still doesn't cover you if the rotor shorts and stator still carries current.Quote:
Originally Posted by Spartan7
Either way, watch the gauges GM gave you, if you aren't watching them IDK what another thing that you prob wouldn't watch do for you...
Quote:
Originally Posted by shownomercy
This^
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No it doesn't, but I like wiring so I did it. I always watch my temp gauge anyway. And I agree with all the others, don't use a switch to turn on/off the pump. You'll forget. I used to have a manual fan switch, but I ended up leaving it on a few times and killed my battery, so I ripped it out.Quote:
Originally Posted by shownomercy
My $02 is watch the gauge that came with the car
I have had a EWP for 17 years. wired it to 12vdc key on with a relay. IMHO doing good wiring with weather-pac connector and watching your temp gauge is all you need
Well said. Mine is set the same way. Key on... and it circulates. Had the fuse blow on it one time... didnt take much to notice the temp guage climbing... pulled over... replaced fuse... good to go.Quote:
Originally Posted by BALLSS
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Haters gonna hate lol.
I have an EWP that is wired to key on power. I also have a dummy light. I believe we used this diagram to wire it up:
http://i687.photobucket.com/albums/v...gdiagram-1.jpg
When I was troubleshooting overheating issues with my car, it came in handy at times. But, I would never rely on it. The dummy light is part of my switch panel, along with ecutout, line lock, nitrous arm/heater/opener/purge.
can you draw that out for me?Quote:
Originally Posted by Spartan7
@Spartan7
Quote:
Originally Posted by Spartan7
any help with this?
Wonder if there is a sensor that would feel for water movement that could be inserted into the water flow somewhere.
I'm putting one in a circle track car and will have more stuff to pay attention to than a gauge so I'm interrested in a light too.
Dan
Don't know about a inline sensor that "feels" water....although a Autometer temp sensor & light (#3247) could be plumbed "T" into the cooling system (off WP heater in/out)...or the relay schematic posted
I guess a "light" vs gauge in a race only car would be helpful
for a street and occasional 1/4 mi car, IMHO a gauge is fine. Whatever your personal opinion is you have options.
I have mine wired to come on with the key, and a indicator light to be on when when there is power to the pump. I also have an adjustable timer circuit that I turn on to run the pump and my 2 fans (on low). I can set for 1-30 min then they will shut off. One problem was at the last race my pump was stopping but the light was on. I started to overheat on the starting line but didn't notice because the check Gage light on the Vette doesn't come on till around 250. I'm thinking or putting a current sensor on the wire to sense a current draw and turn on a led for proof.
I have a stock gauge, autometer temp gauge, and a dummy light. Neither gauge tells you when the ewp stops working. The light showed it's worth it during the first 30 minutes of troubleshooting a cooling issue. Ended up being a fuse issue, but when everything is new and different, it's a PITA figuring out what's wrong.