-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Julian
Sent: Tuesday, 28 November 2000 8:44 AM
To: [EMAIL PROTECTED]
Subject: Re: aeroplane landing lights + seats

Since we are on the subject of car wiring.. i have a couple of questions that have Ive been wondering about for a little while:

1.  What is the inhibitor relay used for? From what i can tell its the switch that stops the car from starting when the car is in reverse or gear?  is that right? Reason i am wondering is cos my other car's relays are broken now and it was an auto.  Now its a manual i expect i can just hard wire the connection from the relay so when the ignition is on the car is on... This is how its done in a manual right?  

An inhibitor switch is only found in an automatic trans and it is a safety device that stops power going to the starter solenoid when the car is in a gear. If you keep the start relay and you are better off to do so when you convert to a manual, you just need to jump 2 of the wires that connected to the inhibitor switch, Black/Yellow on the 1600 from memory.

2.  Is there a reason why car manufacturers dont run both low and high beam filaments at the same time?  Would this cause the bulb to blow quicker or is it cos it draws more current?  This is what i can tell from looking at the wiring diagrams anyway... 

There are a few reasons why both filaments are not used together for high beam say in a H4 bulb, the reflector would have to be of a very high standard to cope with the heat which is the main problem, it's a waisted of power - most modern cars with flashers just turn on the high beam filaments even when low beam is being used and you will see that the direction of the dipped beam isn't much use in conjunction with high beam. Bigger alternators would have to be fitted standard which adds to the cost of manufacture. 

thanks
- Julian


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