sorry about the delay dungbeetle... had motivational issues with a broken zook & photobucket playing up.
yellow with blue trace in a sheath from LHS
into a temp sensor at the back of the block (looking straight down to the bellhousing)
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| A.C. wiring for a j20 vitara SWB 1997 model. https://auszookers.com/forum/viewtopic.php?f=5&t=33482 |
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| Author: | dungbeetle [ Sun Jun 17, 2012 8:11 pm ] |
| Post subject: | A.C. wiring for a j20 vitara SWB 1997 model. |
i have managed to scrape together all the parts to instal air con on my j20 vit. i scored a brand new wiring loom that plugged straight in but i have one wire left that i cant work out where it goes. its a yellow wire with blue trace. its a single wire that comes from the loom that plugs into the 2 relays in front of the fuse box. it has a black cover over it and heads from under those relays towards the firewall. think it then heads left towards the back of the motor but i dont know where it plugs into. can anyone help me out here. just a pic of the engine bay would be a help. i need to see the rear of the engine from fairly high up. i also have a spare plug under the dash but im hoping it will work without this loom being plugged into anything. once i get it gassed up hopefully ill be able to work out the under dash stuff. |
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| Author: | fordem [ Mon Jun 18, 2012 1:57 am ] |
| Post subject: | Re: A.C. wiring for a j20 vitara SWB 1997 model. |
Some a/c setups have a coolant sensor to detect an "overheat" condition - if the temp exceeds a given value, they disable the compressor (to decrease the heat load) and enable the condenser fan (to increase air flow) - this might be that wire heading toward the back of the motor. The older Vitaras (SE416) worked this way - newer Vitaras (SQ series) don't have the additional sensor, the ECU performs the required function, unfortunately I haven't worked with yours (SV series) so I don't know. |
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| Author: | dungbeetle [ Tue Jun 19, 2012 7:53 pm ] |
| Post subject: | Re: A.C. wiring for a j20 vitara SWB 1997 model. |
hmmm thanx fordem. it may well do that, however i cant find anything for it to plug into. hoping for someone with a similiar vehicle will know. im starting to think i should just give up on this air con. the parts are impossible to get and info on this model is scarce as hens teeth!! |
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| Author: | fordem [ Wed Jun 20, 2012 3:47 am ] |
| Post subject: | Re: A.C. wiring for a j20 vitara SWB 1997 model. |
It's entirely possible that you don't have the extra temp sensor fitted - if that's what it is, the a/c should function with it disconnected, you could also try grounded it through a small lamp bulb (a park lamp bulb) and see if it disables the compressor clutch. |
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| Author: | atari4x4 [ Wed Jun 20, 2012 1:14 pm ] |
| Post subject: | Re: A.C. wiring for a j20 vitara SWB 1997 model. |
sorry about the delay dungbeetle... had motivational issues with a broken zook & photobucket playing up. yellow with blue trace in a sheath from LHS into a temp sensor at the back of the block (looking straight down to the bellhousing)
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| Author: | dungbeetle [ Fri Jun 22, 2012 8:02 pm ] |
| Post subject: | Re: A.C. wiring for a j20 vitara SWB 1997 model. |
thanx heaps gus. as usual a very comprehensive answer. dunno if i have that little sensor in the back of the head, ill have a look when i bring the car home from work. on a side note i just bought a condensor off ebay and of course it looks like it will fit, but the fittings are different. for anyone one considering puting air con on a non air con j20 vit, dont do it. its to hard!! |
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