hard start relay fitting.

Need some help with a technical problem - ask away and let's see if we can all help.

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Dean.s
DDK forever
Posts: 505
Joined: Fri Apr 08, 2016 8:17 pm

hard start relay fitting.

Post by Dean.s »

I can't post pictures as i don't have online photo storage.

I received the relay kit this week and am a little confused by the instructions.

It has 4 wires

red 87 spade terminal on solenoid

yellow 30 to battery + on solenoid

blue 86 earth

brown 85 solenoid ignition (yellow on car)

no wire 87a not used

Is 30 to the ring terminal?

is 87 to the lower unused spade?

is 85 doubled onto the ignition spade on the solenoid (top spade)

Thanks in advance..
1974 Porsche 914
Nine One One
DDK 1st, 2nd and 3rd for me!
Posts: 2143
Joined: Fri Mar 01, 2013 11:45 am
Location: Kernow - good old Cornwall

Re: hard start relay fitting.

Post by Nine One One »

Could not post a picture, but this post from another site shows diagram and pictures of what you are trying to achieve I hope?
https://www.yotatech.com/forums/f115/80 ... le-317358/
neilbardsley
Nurse, I think I need some assistance
Posts: 8635
Joined: Mon Apr 16, 2012 4:31 pm

Re: hard start relay fitting.

Post by neilbardsley »

This diagram might help. I have a relay on my 356.
I connected 30 to the big positive power cable that connects to the starter (rather than trying to go back to the battery using another wire).

The idea is that the starter draws current not through the ignition switch but directly from the battery. I believe the push button on here is the ignition

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