Hi guys, Thanks all for the help on this one.
Andrew > I just checked out some data sheets, and it would seem that you are > correct, the only specified differences from the 1N4001 - 1N4007 > series are the max reverse voltages, ranging from 35V to 1000V. > > Monday, October 14, 2002, 8:14:06 PM, you wrote: > > mk> hi, as far as i know the only difference between the 2 diodes is the > mk> voltage, 400v and 1000v @ 1 amp > > mk> mark k > mk> ----- Original Message ----- > mk> From: "Terry Rudd" <[EMAIL PROTECTED]> > mk> To: <[EMAIL PROTECTED]> > mk> Sent: Monday, October 14, 2002 7:03 PM > mk> Subject: RE: wiring confirmation > > > >> Andrew, > >> > >> I've been told you can also use an IN4007 but I've always used the IN4004 > >> with results as expected so far. I've wired a hypo amp this way and an > >> earthquake in another 1600 and it's still running great (buggers a 1600 > mk> boot > >> seals badly if you run it closed with that baby and doesn't do the battery > >> much good either.) You only need to use the diode in the 12v feed from the > >> relay from Pin 87 or 12v power source past the pickup point if you opt not > >> to wire in a relay. > >> > >> It is important when you use a diode to power a head unit, amp etc to > mk> never > >> ever wire in another accessory past the diode, i.e. one wire with diode > mk> for > >> one accessory, more than one accessory then use a separate feed and > mk> another > >> diode on the output from Pin 87. Things can and often will go bang if you > >> don't follow this rule as one unit can back feed off the other - draw a > >> diagram to illustrate the circuits if you don't understand why this > mk> happens. > >> Also, there is no point wiring the diode on the feed to Pin 30 as it > mk> allows > >> back feed up the sense wire (Pin 86) if the relay ever chatters (usually > >> happens when you kill the sense source like when you turn the Ign to Off) > >> and this can power whatever the sense wire source is - i.e. Acc Heater etc > >> and that's what you are protecting your head unit from with the relay & > >> diode. > >> > >> Hope this makes sense for you, you've gotta love the behaviour of the > >> electrons in the 1600 method of wiring. > >> > >> regards > >> Terry > >> > >> -----Original Message----- > >> From: [EMAIL PROTECTED] > >> [mailto:[EMAIL PROTECTED]]On Behalf Of Andrew > >> Greenbury > >> Sent: Monday, 14 October 2002 12:17 PM > >> To: [EMAIL PROTECTED] > >> Subject: RE: wiring confirmation > >> > >> > >> Gday Terry, > >> > >> Interesting points thanks. So is, for instance, say a 1N4004 diode > >> suitable, and should it be put inline with the acc feed to the > >> headunit, or the +12V feed, or both? > >> > >> Thanks > >> Andrew > >> > >> > Andrew, > >> > > >> > Additionally to what you've said the Accessories feed (heater fan, radio > >> > etc) is Blue, and there is another Acc circuit for the wipers but this > mk> is > >> a > >> > much smaller wire and shouldn't be used for a head unit. I've found that > >> you > >> > can only draw up to around 100w through the primary Acc circuit with a > >> > Radio/CD/Cassette etc although the circuit is rated at 20 amps. What I > mk> do > >> > for the CD player/Amp etc is use a direct to battery feed via a mini > mk> Bosch > >> > relay and use the Acc circuit to switch the relay. Another thing to > mk> watch > >> > with wiring in a modern day CD that has a logic circuit in a 1600 is to > >> fit > >> > an inline diode to the power feed. A logic circuit controls features > mk> like > >> > allowing power to the unit without the Ign on for a controlled time etc, > >> but > >> > with older cars the logic circuit will try and power other things on the > >> > circuit, like the heater fan in a 1600 and that will destruct the > mk> circuit > >> in > >> > the unit unless the flow of power is controlled. A few brands actually > >> have > >> > a diode in the power feed but I've come across some that don't eg > >> Phillips. > >> > The Phillips units have an activation option which shouldn't be used > >> unless > >> > the diode is fitted. Some alarm systems are a bit funny with older cars > >> for > >> > the same reason. > >> > > >> > regards > >> > Terry > >> > > >> > > >> > > >> > -----Original Message----- > >> > From: [EMAIL PROTECTED] > >> > [mailto:[EMAIL PROTECTED]]On Behalf Of Andrew > >> > Greenbury > >> > Sent: Tuesday, 8 October 2002 12:05 PM > >> > To: [EMAIL PROTECTED] > >> > Subject: wiring confirmation > >> > > >> > > >> > hello all, > >> > > >> > the 1600 wiring diagram is a pretty confusing thing - just wanted to > >> > confirm what wires behind the instrument cluster are recommended for > >> > splicing into when wiring in say a headunit or alarm; white/red for > mk> const > >> > 12V, and blue/black for 12V with ignition? > >> > > >> > Thanks everyone > >> > Andrew > >> > > >> > > >> > >> > >> > >> > > > > > > -- > Best regards, > Bob mailto:[EMAIL PROTECTED] > --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[email protected]/ ---------------------------------------------------------------------
