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70bus Wed Jun 18, 2025 7:35 pm

As part of something I've been digging into, I've acquired a number of t/s relays, images of them, and some wiring diagrams. Many are from classifieds or internet sites, and may disappear, so i thought I'd gather them. Why? Partially so you can see what some VW parts look like in the flesh, rather than just a line in a parts manual. You can then be at a swap, and spy JUST the relay you need! Second, so that you can see the terminal designations, and sometimes wiring diagrams - on unit or on paper. This may enable you to swap out a relay if an electrically-similar one you have isn't working. Many relays that have 31 (ground), 15 and 54 will swap out for relays with 31, 49 and 49a. Oddly, some don't. Honestly I assume those have an issue, but ya never know. And while most indicator terminals marked P, R, REP, C send power to a circuit, K or KBL usually grounds it, but not consistently, so testing is required. Many of these units look exactly the same in every way, but have different manufacturer's numbers, meaning SOMEthing is different!

I rely on "OG in the box" relays actually being originally IN the box pictured, but there's at least one I suspect was stashed in the wrong box... but it may be the later replacement unit, put in earlier one? That's the sort of thing I would appreciate feedback on. In any case, I hope this is of use to someone. Please add more, especially later years, as I don't have any. I know a lot are in the gallery, so just a part number and the pic link are all that is needed.

It will take a few days to complete this - I have several hundred images of around 50 different relays to type up. Perfectly happy if you beat me to the punch.





As for the project this sprang from: US buses with emergency flashers came with t/s relays having +, S and KBL; I'm specifically looking for the 12v versions, Mcodes 620 and 621. VW lists MANY part numbers for these buses over the years, but so far each one I have purchased or found an image of has 31, 49, and 49a. Some of these I purchased hoping they would at least function the same as +,s,KBL and ya never know until you test. Anyways, if you have one, or a pic of one, post it!

Turn signal relay 111953185B flasher
Hella 91ESJ2x18W-6v. 4NB001826-03






Unknown, probably SWF BGC-51a, 6v



SWF in VW box BGC/51a6v



SBG 334 6v 2x18
Uroparts 9800 12 v - replacement part for 12v conversion




Turn signal relay 111953185C flasher

Hella 91ES5J2x18W-6v 4NB001827-011







SWF BGC 200428 6v 2x18W


Bosch 0336251001 6v 2x18w



70bus Wed Jun 18, 2025 9:39 pm

Turn signal relay 113953183B flasher
Hella 91ES4J2x18W-6v




Turn signal relay 141953185C flasher
Hella 91MS1J2x18W 6v



Turn signal relay 211953183 flasher
Stribel SBG 220 6V2x18W

I have one of these in a box marked 141953185D as well.




Bosch 0336251003

Stribel SBG 3355 12V2x21W








Turn signal relay 211953183A flasher
Hella 91WSJ52x21W-12V 4NB001812-03 1

Bosch 0336256002 12v 2x21w

Stribel SBG 335 12v 2x21w

Mera unknown part # 12v 2x21w

Carto 113953227.1 possible replacement unit?



Hella 91WSJ52x21W-12V 4NB001812-03 1













Bosch 0336256002 12v 2x21w



Mera unknown part # 12v 2x21w

Carto 113953227.1 possible replacement unit?



Stribel SBG 335 12v 2x21w





70bus Mon Jun 23, 2025 3:30 pm

411953183 and possibly 211953183A

Bosch 0336256004

Wrong relay in box. Could be a later part, stuffed into existing box at factory to cover both bases, but doubtful. Same functions however - +, S and 31 vs. 40, 49a and 31.




70bus Mon Jun 23, 2025 3:38 pm

Autotec 85 c/m 12v

49 49a 31 KBL

Replaces 211953215C in 12 volt 4 prong - beetle 68-70 - ghia 68-71 - bus 68-70 - type-3 68-70

Can also be used in 63 - 65 US bus w/ emergency flashers


70bus Mon Jun 23, 2025 3:42 pm

Bosch 0336200046
12v 3x18W
'universal' replacement for cars with 49/49a or 15/54 terminals.
this schematic is for many other Bosch flashers:
0336102..
0336200045
0336200046
0336200047
0336200..
0336206004



70bus Mon Jun 23, 2025 3:44 pm

Bosch 0336102022

12v (1+1)x18W



70bus Mon Jun 23, 2025 3:59 pm

Bosch 0336207001
12v 2x21+18/21W



70bus Mon Jun 23, 2025 4:02 pm

Bosch 0336210001

12v 2(4)x21W



70bus Mon Jun 23, 2025 4:31 pm

Bosch 0336150010
6v 2x18W



70bus Mon Jun 23, 2025 4:41 pm

Bosch SH/BVD 6/1

6v 15+15/20W






70bus Mon Jun 23, 2025 4:45 pm

Bosch SH/BV B1/6/5

6v 2x18W



70bus Mon Jun 23, 2025 4:51 pm

Bosch 0336203006
Bosch 0336203005

6 and 12v units; 'universal' replacement for cars with 49/49a or 15/54 terminals. Unsure why Bosch gave 12v part a lower number!

6v 2x18W




12v 2x18W

70bus Mon Jun 23, 2025 5:03 pm

Hella 91MS1J

6v 2x18W



70bus Mon Jun 23, 2025 6:04 pm

Hella 91P3V
6v and 12v
2xX watts
Multiple bulb ratings, 'universal' terminals. Appears K-P-C terminal is proper 'to ground' but unknown until tested. May work in 63 - 65 US buses with hazard lights.







70bus Mon Jun 23, 2025 6:32 pm

Ideal 568
Ideal 569




569 replaces 211953215A 211953215D 111953227A

70bus Mon Jun 23, 2025 6:35 pm

SWF BGC 10a
12v 15+20W




70bus Mon Jun 23, 2025 6:38 pm

SWF BGC 200 06

6v 2x18W




70bus Mon Jun 23, 2025 6:46 pm

SWF BGC 20092 200093




70bus Mon Jun 23, 2025 6:49 pm

SWF BGC 200678
12v 2x21W



70bus Mon Jun 23, 2025 6:56 pm

SWF BGC 200433




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