Hey this is open to anyone, I placed this in LT1 tech because there are probably a lot more LT1 electric pumps being used on this board then any other, but if it gets moved sorry!!

OK I have the pump in and it is time to wire it up, yes I have searched!!
I am using this writeup and I and going to use a switch to manually turn it on at the track, this diagram is the same before prong 86 on the relay, yet it states the size of the diode needed..

My questions are;
The 1N4004 diode that I have is very small, and the prongs or lead or whatever it is called ia about the size of a needle or paper clip.
The diagram states "large diode" is there anything other then the normal 1N4004 diode that I have?

If this is the correct diode, can I use one end to go into the fuse block like in the electical hook up section of the writup above, in the pic under Relay Activation and connect the other end to the 12ga wire I am using?

If I can do that how do you connect a paper clip thin wire/lead or what ever it is referd to as, from the diode to the 12 gage wire? I guess solder would work but I was also thinking about a but connector of some sort but can't find any that change sizes like that...

Also if I use a but conector, and just place a little of the 12ga wire in the side of the connector that is getting the diode lead before crimping it will that work?

Then to the important question...
Will this paper clip thin lead hold the 12v power that will be going through it to open the relay, when the switch is off, and acc. power is on?
I thought the way fusable links worked is because they were thinner gage wire and would pop before the load got too great, wouldn't that be the case here? The thin lead from the diode, wouldn't that be like a muck thiner gage wire, and pop like a fusable link??

Sorry that was soo long, thanks in advace for the help here!!

 

OK maybe I had too many questions...
Lets start with the one pressing on my mind the most...

Would installing this paperclip sized piece of metal that is on this diode, act like a fusable link and blow if for some reason if there was too much current draw? Would it hold up under normal use?

There has to be a least a few of you that have either done this or ae there any electrical/elctronic engineers here???

 

I believe the diode you are referring to is there to stop the voltage from the switch from getting to the fuse panel when the ignition is off. The circuit from the fuse panel and the switch is just to energize the relay and not to supply any significant current so I doubt it is supposed to be 12 ga. The 12 ga would be for supplying enough current to run the pump through the relay. So, I think the diode you have would be sufficient but I would wire it inline by soldering it and using heatshrink tubing and not just shoving it into the panel and using butt connectors. It sounds like maybe you should find someone that has wired one before or someone with some electrical experience to help you.