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TDI 101 Got a simple/basic TDI question? Are you a newbie (new to the forums). Feel free to post your question here.

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Old October 31st, 2019, 14:08   #1756
turbovan+tdi
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Quote:
Originally Posted by BobnOH View Post
You can not change the voltage, you can change the length of time they stay on. There should be data in the header when you connect the VAGcom, sorry, you'll have to research what to look for.
You can't change any PD settings for GP's, only a tuner can.
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2003 GSW, 2.0L ALH, Stage 2 Colt Cam, 1756 turbo, auto, silver, 380k-Wife's.
2004 GSW TDI, blue, 5 speed-DD-Malone stage 2, no kitty, aeroturbine muffler, PD150's.
2003 JSW 1.8T, silver-parting out. 2006 JSW, TDI 5 speed, blue.
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Old October 31st, 2019, 14:10   #1757
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Originally Posted by gunnerthesnowman View Post
Ok, I disconnected the coolant sensor and there is no different in the time the glow plug power stays on , about 3 seconds???
I shot Wingnut a PM (hope he does not mind a pm on this )
Hoping to get this working right as winter is coming fast here in Alberta
The BEW's don't need much gp time to work, but I had Malone extend mine as it started ok, but then would chug for a few seconds, then smooth out. My factory setting would start at -20 deg c with a weak battery.


Quote:
Originally Posted by gunnerthesnowman View Post
Can I tell with VAG COM if I have the updates ?, also with VAG COM can I change the glow plug voltage setting ?
Thanks
You can see what gp's you have with VCDS, can't remember where to look. I'll ask Malone later.

Also, pull a gp, it will say 5 or 7 volts on it.
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1984 6.2 Diesel Get A Way van, remote turbo setup designed/installed by me, burning anything that burns.
2003 GSW, 2.0L ALH, Stage 2 Colt Cam, 1756 turbo, auto, silver, 380k-Wife's.
2004 GSW TDI, blue, 5 speed-DD-Malone stage 2, no kitty, aeroturbine muffler, PD150's.
2003 JSW 1.8T, silver-parting out. 2006 JSW, TDI 5 speed, blue.
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Old October 31st, 2019, 21:39   #1758
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Quote:
Originally Posted by turbovan+tdi View Post
The BEW's don't need much gp time to work, but I had Malone extend mine as it started ok, but then would chug for a few seconds, then smooth out. My factory setting would start at -20 deg c with a weak battery.




You can see what gp's you have with VCDS, can't remember where to look. I'll ask Malone later.

Also, pull a gp, it will say 5 or 7 volts on it.
I read every post in this tread and anywhere that the glow plug voltage was talked about it was always 12 volts !
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Old October 31st, 2019, 22:06   #1759
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2004 started a new style of glow plugs... lower voltage...
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Old November 1st, 2019, 13:05   #1760
gunnerthesnowman
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Originally Posted by ymz View Post
2004 started a new style of glow plugs... lower voltage...
Ok, but when I look up the glow plug part # it takes the same glow plug as my 2006 TDI?
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Old November 1st, 2019, 14:16   #1761
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Originally Posted by gunnerthesnowman View Post
I read every post in this tread and anywhere that the glow plug voltage was talked about it was always 12 volts !
Not a BEW, this thread is for ALH. BEW's came with 2 voltages, neither of them were 12 volts.
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1984 6.2 Diesel Get A Way van, remote turbo setup designed/installed by me, burning anything that burns.
2003 GSW, 2.0L ALH, Stage 2 Colt Cam, 1756 turbo, auto, silver, 380k-Wife's.
2004 GSW TDI, blue, 5 speed-DD-Malone stage 2, no kitty, aeroturbine muffler, PD150's.
2003 JSW 1.8T, silver-parting out. 2006 JSW, TDI 5 speed, blue.
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Old November 1st, 2019, 14:16   #1762
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Originally Posted by gunnerthesnowman View Post
Ok, but when I look up the glow plug part # it takes the same glow plug as my 2006 TDI?
2006 is PD, if its a MK5 platform, so yes, it will take the same gp.
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1984 6.2 Diesel Get A Way van, remote turbo setup designed/installed by me, burning anything that burns.
2003 GSW, 2.0L ALH, Stage 2 Colt Cam, 1756 turbo, auto, silver, 380k-Wife's.
2004 GSW TDI, blue, 5 speed-DD-Malone stage 2, no kitty, aeroturbine muffler, PD150's.
2003 JSW 1.8T, silver-parting out. 2006 JSW, TDI 5 speed, blue.
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Old November 7th, 2019, 15:35   #1763
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BRM engines and BEW engines had different glow plugs... the BEW had various recalls...
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Old November 15th, 2019, 10:54   #1764
ktmjammer
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Default 2006 tdi beetle glow plug harness.

I have a 4 wire glow plug harness that needs replacing.Why do many people go the hard rout of removing the air box ,battery .....to replace the total wire as opposed to splicing in close to harness.
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Old November 15th, 2019, 12:04   #1765
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Many do exactly what you propose... some people don't like splices and want to retain original design...
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Old November 15th, 2019, 15:59   #1766
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Default 2006 tdi beetle glow plug harness

what is the best way to replace the glow plug harness on a 4 wire set up
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Old November 19th, 2019, 12:46   #1767
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Quote:
Originally Posted by ktmjammer View Post
what is the best way to replace the glow plug harness on a 4 wire set up
Pull the battery and air box, the new bit will plug in inside the duct that runs behind the air box. However, many folks just splice it in up near the engine.
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Old November 19th, 2019, 20:19   #1768
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Default Glow plug harness

the harness i bought does not have a plug on the end so i will have to splice either way.
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Old November 24th, 2019, 21:59   #1769
RussR
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Default 2004 Jetta glow plug issues

Hello everyone. I am in need of some help trying to figure out my glow plug issue on my 04 Jetta. First off, ive been all over the internet trying to find anything helpful, and this forum site has been the most help with information, procedures and fellow owner advice.

I do not have a CEL. The glow plug circuit seems to be intact. The harness is good, the fuses and connections are all clean with no corrosion. The glow plug harness is also clean with no corrosion. When I cycle the key, the glow plug light comes on for 1-2 seconds and goes out. Ive disconned, inspected and cleaned the coolant temp sensor connector. With it disconnected the light will stay on for 3-4 seconds. All 4 glow plugs are reading .2 ohms and are new. Voltage readings at all glow plug connections is only reaching 7.84 volts before the system cycles off. I disconnected the relay and did get a CEL. Sooo I figured I had a bad relay Replaced the relay and still have all the same results... Iím at a loss now, and am not sure where to go next. Closest dealer to me is 360 miles away. I should mention that my car is a manual transmission car. The coolant glow plugs appear ok, but since I understand they arenít monitored by the ECM, I havenít spent much time on them... anyone have a similar experience, or know where I need to go next? Thanks sooo much for all the help and information so far....
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Old November 25th, 2019, 17:15   #1770
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What is your issue? Hard starting? There are different types if glow plugs (different voltages), and you need to know whether any recalls / updates have been made to your car... perhaps the dealer can tell you over the phone if you give them your V.I.N...
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