
04-03-2007, 10:54 PM
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Join Date: Jul 30 2004
Location: Switzerland
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This picture was posted by Jalpa_Aus some days ago in another thread, all relays are from bosch.
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Originally Posted by Jalpa_Aus
I think I have managed to attach the updated relay picture. I have tried to highlight what I have managed to work out. I have numbered the relays from 1-8 going right to left and top to bottom. From the original diagram The emergency flasher unit in number 1. From my basic understading of the relays there are two types of relays used(Excluding the flasher unit) The first type is the one mentioned in the previous post as having the 2 87 spades relay. This type of relay makes a connection from spade 30 through to both the 87 spades when the coil is energised ie when you have 12v across spades 85 & 86 (You should hear the relay click when you do this) If you have 12V on the 30 spade you should now have 12V on the two 87 spades(commonly called make contact relay usually has 12v30A on it somewhere). This is the most common one on the jalpa and you should have this type for relays 2,4,5,6,7 and 8 from the diagram I have attached.
The second type of relay is the one with the 87a and the 87 spades on it. This type of relay MOVES the connection from 87a spade to 87 spade so if you have 12V on spade 30 then you will have 12V on spade 87a when the coil is not energised (no voltage across 85 & 86). When the coil is energised (12V across 85& 86) then the 12V coming in on spade 30 will be removed from spade 87a and moved to spade 87 (commonly called make /break contact relay usually has 12v 20/30A on it somewhere). This type of relay is used for the headlight motors & the low beams from the diagram I attached it is relay number 3. There is a second of this type of relay but it is NOT mounted on this panel. It is used for the flashing the front fog lights( I think) hope this helps.
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RaymondQV
Countach QV Ex-Mimran #GLA12997, Urraco P300 #20530 sold in August 2008, Jalpa #FLA12203 sold in May 2006
www.countach.ch
www.jalpa.ch
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