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Subject:Re: Headlight Upgrade Eilemma
From:Alistair Bell
Date:Fri, 9 Sep 2011 09:54:10 -0700

look at page 97.72, all the terminals on the back of the panel are labelled.

alistair

On 2011-09-09, at 9:40 AM, John Rodgers wrote:

> Not exactly.
> 
> When looking at the Bentley 97.119   image 97.1392 what is the pin numbering sequence?
> 
> I assume:
> 
> 1>2
> 3>4
> 5>6
> etc.
> 
> If so, Pins 1>2 & 3 are occupied. The rest have nothing connected.
> 
> John
> 
> John Rodgers
> Clayartist and Moldmaker
> 88'GL VW Bus Driver
> Chelsea, AL
> Http://www.moldhaus.com
> 
> 
> On 9/9/2011 11:05 AM, Alistair Bell wrote:
>> John,
>> 
>> here is the list I sent yesterday, does it not make sense to you which terminals have power at what conditions?
>> 
>> alistair
>> 
>> 
>>> So here is what I think they do, open to corrections:
>>> 
>>> G1&   G3 - X-bus controlled power
>>> G2&   G5 #15, ign. switched power via fuse S18
>>> G4 - D+ (alternator trigger circuit) via dash alt. led
>>> G6 - dead end
>>> G7 - power with headlight on
>>> G8 - dimmer controlled panel lighting power
>>> G9 - license plate lights circuit, via fuse S20
>>> G10 - hot when windscreen washer runs (used for headlight washer)
>>> 
>>> 
>>> and the M terminals below
>>> 
>>> M1 - tied to G7
>>> M2 - power when low beams on
>>> 
>>> 
>>> This is for my '86 syncro passenger van.
>> 
>> 
>> 
>> 
>> 
>> On 2011-09-09, at 8:53 AM, John Rodgers wrote:
>> 
>>> Mark,
>>> 
>>> I note several unused pins on the "G" panel on the fuseblock. What are
>>> they used for? Might one of these work for my wire. The wire connects
>>> to  the supply side of the relay - or relay pin 87.
>>> 
>>> Thanks,
>>> 
>>> John .
>>> 
>>> John Rodgers
>>> Clayartist and Moldmaker
>>> 88'GL VW Bus Driver
>>> Chelsea, AL
>>> Http://www.moldhaus.com
>>> 
>>> 
>>> On 9/9/2011 9:30 AM, mark drillock wrote:
>>>> Maybe it already has headlight relays installed?
>>>> 
>>>> There are 7 P connections. 2 are always used by the base vehicle.
>>>> 
>>>> That leaves 5 for options/expansion.
>>>>  power windows use 1
>>>>  power locks use 1
>>>>  gas fired heater uses 1 (rare)
>>>>  typical headlight relay kit uses 2
>>>> 
>>>> Is the other larger .375" P spade available?
>>>> If so, put a bigger end on your new wire and use it.
>>>> 
>>>> Mark
>>>> 
>>>> John Rodgers wrote:
>>>>> I was going to upgrade my headlight circuits with headlight relays to
>>>>> handle new higher wattage lights. Part of this requires cutting some
>>>>> wires and these wires are clearly identified in the instructions. When I
>>>>> went to do this, and removed the steering column cover to better see
>>>>> what I was doing, I discovered a rat's net of wires where the PO had
>>>>> done a whole lot of upgrading for himself. There is no way for me to
>>>>> identify all those wires making the install non-compatible. So, what
>>>>> to do?
>>>>> 
>>>>> I decided to use the TJ Hannick approach, using 30 amp relay mounted on
>>>>> the dash fascia on the left side of the insturment pod and under the
>>>>> instrument pod cover. Four wires, no cutting, plug and play - Right?
>>>>> Wrong!!!
>>>>> 
>>>>> The first three wires to the relay were a snap. But the fourth - the one
>>>>> that powers the control circuit inside the relay - the fourth one is to
>>>>> be plugged into the "P" panel on the back side of the fuse block. Once
>>>>> that last wire is connected - the light would/should work. Well, no
>>>>> joy!! I dropped the fuse block, only to discover that the "P" panel
>>>>> looked like a Christmas tree loaded with ornaments. The PO in his
>>>>> rewiring, had used all 6 output pins and had put extenders on them,
>>>>> increasing their ability to carry more connectors with wires. But to the
>>>>> detriment of adding anything else at all!!!
>>>>> 
>>>>> My question here is - where else can I connect to pull power for getting
>>>>> the relay to work.
>>>>> 
>>>>> Thanks,
>>>>> 
>>>>> John
>>>>> 
>>>>> -- John Rodgers Clayartist and Moldmaker 88'GL VW Bus Driver Chelsea, AL
>>>>> Http://www.moldhaus.com
>>>>> 
>>>> 
>> 
>