 | Home > Td5 > TD5 glow plug relay - wher is it located ? |
 
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6478   
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It is supposed to be under the seat box.
Glow plug relay from wire colours: Brown Yellow/Black Brown/Orange Green/Blue Fuel pump relay from the wire colours: White/Purple Purple/White Brown/Orange Blue/Purple In descending wire size order.  1988 90 Td5 NAS soft top
2015 D90 XS SW |
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13th Jan 2023 3:20pm |
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| Penfold_6290 Member Since: 22 Sep 2021 Location: Dorset Posts: 274 
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The electrical library says it's C0215 which is the black relay below - (under the drivers seat)
Click image to enlarge |
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13th Jan 2023 3:50pm |
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| alexatnd Member Since: 19 May 2015 Location: Yorkshire Posts: 249
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And you're absolutely correct . The 2nd relay was slightly hidden from view due to fact that it was black and in a dark mucky party of the seat box with the colours you decribed. The replacement I got from our local LR motor factor is a PRC6913 timer relay for 200/300TDI and TD5 models, it hell of a lot larger than the one thats in there Santa - 1977 Series 3 - new chassis, tub, disc brakes,SU Carb Gertie - 1999 110 TD5 - like a Phoenix from the ashes back on road... almost Effie - 2004 110 TD5 County |
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13th Jan 2023 4:42pm |
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| Penfold_6290 Member Since: 22 Sep 2021 Location: Dorset Posts: 274
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You've been sold the wrong relay, you don't need the 200/300Tdi timer relay. The glow plug relay is controlled by the ECM on the Td5, it is a 70 amp relay, part number YWB101300.
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13th Jan 2023 5:00pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6478
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Wrong part, that’s correct for a Tdi but the Td5 uses a standard 70A relay - the ECU does the timing.
YWB101300 is the LR part num but any 70A relay from your motor factors will do. 1988 90 Td5 NAS soft top
2015 D90 XS SW |
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13th Jan 2023 5:04pm |
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| alexatnd Member Since: 19 May 2015 Location: Yorkshire Posts: 249
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Many thanks for all the replies
Yes you are correct it was the wrong relay. Have to say, after talking to my supplier about it, they rang me back and told me the same thing. Their datrabase said that was the only relay for glow plugs for a TD5. After a bit of searching they identified the correct relay, have ordered one and will be ready to collect tomorrow. Rgds Alex Santa - 1977 Series 3 - new chassis, tub, disc brakes,SU Carb Gertie - 1999 110 TD5 - like a Phoenix from the ashes back on road... almost Effie - 2004 110 TD5 County |
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13th Jan 2023 10:06pm |
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| 4RF RDS Member Since: 19 Jul 2015 Location: Ottawa Posts: 898  
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FWIW, I labeled all my relays when I bought my Td5 years ago simply to make it easier to trace any possible faults when out in the wilds. Food for thought. 🤷♂️
Click image to enlarge 2010 Range Rover MkIII Autobiography Super Charged (Idris) 2003 Range Rover Mk III (Desmond FitzWilliam) 2000 Defender 110 CSW TD5 (CTX) 1992 Range Rover Classic (Lizzy) 1972 Series III 300 Tdi (Stanwood) 1967 MGB GT Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats. H. L. Mencken (1880 - 1956) |
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14th Jan 2023 5:01pm |
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| alexatnd Member Since: 19 May 2015 Location: Yorkshire Posts: 249
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Good idea
 Santa - 1977 Series 3 - new chassis, tub, disc brakes,SU Carb
Gertie - 1999 110 TD5 - like a Phoenix from the ashes back on road... almost Effie - 2004 110 TD5 County |
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14th Jan 2023 6:37pm |
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| alexatnd Member Since: 19 May 2015 Location: Yorkshire Posts: 249
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So today I received the new relay. Before putting it in the socket i sprayed it liberally with contact cleaner .... and in the process the thick brown cable fell out of the socket .... minus the spade connector ....
Nect step order some replacemnet spade connectors ... one step forward ... slight shuffle back
A Santa - 1977 Series 3 - new chassis, tub, disc brakes,SU Carb Gertie - 1999 110 TD5 - like a Phoenix from the ashes back on road... almost Effie - 2004 110 TD5 County |
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14th Jan 2023 6:41pm |
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| roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039  
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So your relay still might be OK.
 Roel
1984 90 2.5 na Diesel - RR V8 (1994-2001) 1997 Camel Trophy Discovery 300TDI (2001-2009) 2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts. 2003 90 Td5 (2009-now) |
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14th Jan 2023 7:42pm |
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| alexatnd Member Since: 19 May 2015 Location: Yorkshire Posts: 249
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ermmm possibly .. but its at least 12 years old so probably good to replace it anyway
Santa - 1977 Series 3 - new chassis, tub, disc brakes,SU Carb
Gertie - 1999 110 TD5 - like a Phoenix from the ashes back on road... almost Effie - 2004 110 TD5 County |
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14th Jan 2023 10:51pm |
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| Penfold_6290 Member Since: 22 Sep 2021 Location: Dorset Posts: 274
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You probably ought to get yourself one of these and make good all your connections.
https://www.vehiclewiringproducts.co.uk/p-...-70a-relay |
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14th Jan 2023 10:54pm |
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| alexatnd Member Since: 19 May 2015 Location: Yorkshire Posts: 249
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So, curent state of things
Crimped and reinserted brown power feed cable into exsiting relay socket. Inserted new relay Turned power on and could feel/hear the relay engaging Disconnected one of the glow plug lines and attached a voltmeter 9.5v ... seemed a bit low battery has one of thise indicators saying ok/charge/dead disconnected battery overnight charge next day reconnected, turned key and ...... ... wouldnt start ... .. primed the fuel system ... ... endless cranking and eventually started ... ... ran for 45 mins got to temperature ... ... switched off ... .. tried to start again .... .... wouldnt , not a peap! So at this point I've got a warm engine thats been runnig cant be air/ fuel issue as it was running and literally off for 15 secs ,so am thinking its CPS related, but I'd replaced the one that was in there .. ... thing is on the one i took out the end looked a bit mangled and the sensor as flush with the body of the sensor whereas a brand new one has the sensor a few mm proud of it ... looked at lrworkshop.com and according to the diagram ... theres' supposed to be a spacer there, between the sensor and the block .... there wasn't .. going to check tomorrow and look at the CPS i just put in ... suspect will have to purchase new sensor and spacer! onwards and upwards ! Santa - 1977 Series 3 - new chassis, tub, disc brakes,SU Carb Gertie - 1999 110 TD5 - like a Phoenix from the ashes back on road... almost Effie - 2004 110 TD5 County |
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21st Jan 2023 9:27pm |
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