I am working on a cam and heads swap for my 95 TA. In looking at the timing chain sets, it became obvious that the sets are ridiculously expensive. So, as some people advise here, I will be going with a Cloyes Double Roller set for a regular SBC and an electric water pump. Together, they come out to less than the LT4 Extreme Duty timing set and a new mechanical water pump. Seems like a no brainer to me.

I have searched for how to wire this thing up. I got decent info on how to do the power to it. Basically, I should run from the battery direct to the pump. In the positive side, I will place a 20 A relay and a 20 A fuse. The relay should be activated by the primary power line to the fan relays, which is switched on only when the ignition is in run. When the key is turned to start, the power to the fan relay is cut off, which would then turn off the water pump while the engine is cranking. Am I right in this assumption?

How do I wire up a warning light to let me know that the pump is NOT working? I would like to have a big red light come on somewhere to warn me before I do any damage.

 

Check here. It has a wiring guide that is helpful.

http://ken.lowrance.com/Projects/CSI...mp/Default.htm

 

Thanks for the link. I had found a similar site that had much the same information. The pictures are nice, though, and very helpful.

If I read the diagram right, the light would be on all the time. There has to be a way to have a light come on only when there is a problem with the pump (i.e. it is burnt out or is not getting power for some reason). I was hoping one of the electrical types around here had an idea for how to do this...

BRAD

 

As far as wiring for not getting power and the light coming on. I believe you could just add another relay. If you look at the schematic from the link, use the wire coming off of the 87 pin. This would go to the pump and also to pin 86 on the added relay. Pins 30 and 85 would hookup the same, 12v constant and ground. Then i think your wire to the light would have to come off of pin 87a. You could use a voltmeter to verify this when hooking it up.

I will see if i can find out anything about being able to check to make sure the electric motor is running, i am not sure right now.

 

Is there such a thing as a “reverse solenoid”? What I am thinking is a solenoid this is off when it is receiving power, and vice versa. If I could put this "reverse solenoid" as the control for the power to the warning light, that would work.

If the power to the pump was on, the light would be off. If the pump burned out and popped the fuse, or the pump relay failed, there would be no power to the “reverse relay” and the light would then come on.

Anybody?

BRAD