I recently put in the b&m megashifter, and since bought the little relay it says to add, however i lost the instructions, and really dont understand what the relay does, nor do i know how to install that little thing, can anybody help ?

 

Do a search in the transmission section. A few months ago there were a bunch of threads that related to that.

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Nah, I got it right here.




[This message has been edited by Jza (edited January 15, 2001).]

 

JZA, you kick @SS, thanks for the schematic, could you help me to understand how to read it, im pretty sure i understand it, but i want to make sure before my car burst into flames.

 

I'll try but, I don't know if I'll just make it more confusing.

Basically (C) is the power wire doing the work. When your Backup Light Switch closes (you're in Reverse) it closes the circuit to (D) and turns on the backup light. When the Neutral Safety Switch closes (you're in Park or Neutral), it powers the relay's coil. That closes the circuit (A)-(B) and (D)-(E). One circuit lets the car start and the other circuit prevents torque converter lockup. (That's so it doesn't mess stuff up by trying to start in gear, and to prevent stalling by locking up in park).

You'll know you did it wrong if your reverse lights come on when you try to start the car, the car doesn't start or stalls like a manual, or fuses pop. Heh heh. Where is says "Typical Pin Number" is talking about the relay itself (DPST means "double-pole single-throw"). The pins should be numbered , but I think the more popular numbers are 30 (+12V which is "13" in the diagram), 85 (gnd; is "14" in the diagram), and "86 and 86a" and "87 and 87a". (I think, but I'm not sure.)