central locking, 93 isuzu fargo motor home

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claret

Member - Posts: 6

Joined: February 26, 2010

Location: United Kingdom

Posted: February 26, 2010 at 4:52 PM / IP Logged

hi i have a 1993 isuzu fargo motor home i have bought a alarm system with remote central locking its does have central locking which works with the key it opens drivers door and passenger door i have wired it all up but the doors dont lock or unlock there is 3 wires coming from the door 1 black wire/1 red with green stripe/ 1 yellow with green stripe does anybody have any info please

claret

tommy...

Gold - Posts: 1,901

Joined: December 10, 2004

Location: United States

Posted: February 26, 2010 at 9:41 PM / IP Logged

Do you have a DMM...? Is there a switch to unlock/lock...Or it only locks/unlocks per what the drivers door does...So there is no switch...But when you lock the drivers door,the passenger door locks and then the opposite...You might have to add an actuator to the drivers door...A little more info might negate that option...!

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: February 27, 2010 at 2:32 AM / IP Logged

It either needs a motor in the driver's door, have you tried locking and unlocking from the passenger door, if that doesn't do all doors then a motor needed. Or it could be a single wire control system, neg. to unlock and open circuit to lock.

claret

Member - Posts: 6

Joined: February 26, 2010

Location: United Kingdom

Posted: February 27, 2010 at 3:14 AM / IP Logged

hi the central locking will open both doors drivers and passengers door if i put the key in passenger door it will only lock the passenger door

claret

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: February 27, 2010 at 12:31 PM / IP Logged

What does your first sentence mean? How does the central locking work? From the driver's door only? From a switch?

tommy...

Gold - Posts: 1,901

Joined: December 10, 2004

Location: United States

Posted: February 27, 2010 at 12:39 PM / IP Logged

will have to add an actuator in drivers door to control both doors...A little more complicated...but you can't install the unit like normal keyless entry's are done...Actuators are not expensive...but are moderately labor intensive...Basically you will install the actuator near the lock/unlock rod on the inside of the door...Then attach attach the rod provided with the actuator to the rod in the door...Then you will have to wire up relay's... then attach the lock/unlock wires from the keyless unit to the relays...which will tell the actuator which way to move...which either locks or unlocks the doors...Here is the diagram for the relays...

Actuators / Reverse Polarity

This is practically identical to the 5 wire alternating 12V(+) system above. The only difference is there's no switch! Both motor legs rest at ground at the relays. To lock or unlock the vehicle, polarity is changed on one motor leg.

central locking, 93 isuzu fargo motor home -- posted image.

M.E.C.P & First-Class

Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!

tommy...

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Joined: December 10, 2004

Location: United States

Posted: February 27, 2010 at 12:45 PM / IP Logged

Here's a pic of a common actuator...The mounting and install of the rod might be the most diffucult part...Might get it on first try...Just to remember what position the factory rod is in(up/down-lock/unlock) when attaching the actuator rod...You can use a drill battery 12-14.4 volts to check the actuator once installed and see if it is properly moving(locking/unlocking) when voltage is applied(so you dont have to wire up the keyless and run wires into the door to check)

M.E.C.P & First-Class

Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!

claret

Member - Posts: 6

Joined: February 26, 2010

Location: United Kingdom

Posted: February 27, 2010 at 1:16 PM / IP Logged

hi all thanks for your help i will try that i have seen them for sale on ebay central locking, 93 isuzu fargo motor home -- posted image.

claret

tommy...

Gold - Posts: 1,901

Joined: December 10, 2004

Location: United States

Posted: February 27, 2010 at 1:30 PM / IP Logged

Dont forget the relays and something to cut metal if need be(aviation snips)...Also something to drill holes(i use self-tapping screws...then use a larger screw(usually the ones supplied with the actuator) to mount the actuator...Might have to install the back-strap...Just be prepared...so much easier...and surely will have another project to use unwanted/unused stuff...!

M.E.C.P & First-Class

Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!

claret

Member - Posts: 6

Joined: February 26, 2010

Location: United Kingdom

Posted: February 27, 2010 at 2:45 PM / IP Logged

hitommy how do i wire the relays

claret

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