Thermo time relay wiring harness replacement

Question:

My ’72 tii temp time switch electrical connection (plastic plug end) has snapped off from wire fatigue. Are there any pigtails that I can splice into the wiring harness? Any there other solutions to make the connections down in the cup of the switch?

Answer:

Other than carefully stripping each wire and mounting individual female spade connectors, we’re not aware of anything available that retrofits that connector unfortunately. BMW did use that same connector for Tii and later model cars fuel injection systems using a similar Bosch thermo time relay box. The entire cable setup including the connector you have which failed, and the other wires which reach a ground, the sender on the water tube and cold start valve on the throttle body is still available new from BMW. The part number is 61 12 1 354 671 and the current list price is $62.00. It is shown as item 13 below.

The protective rubber boot for the 2-prong connector is # 61-13 1 352 793 from BMW (Mobile Tradition). For some strange reason, it’s not listed for the tii, but under the 3.0 series cars. My thanks to Bill Williams for this tip.

My ’72 tii temp time switch electrical connection (plastic plug end) has snapped off from wire fatigue. Are there any pigtails that I can splice into the wiring harness? Any other solutions to make the connections down in the cup of the switch?

Other than carefully stripping each wire and mounting individual female spade connectors, we’re not aware of anything available that retrofits that connector unfortunately. BMW did use that same connector for Tii and later model cars fuel injection systems using a similar Bosch thermo time relay box. The entire cable setup including the connector you have which failed, and the other wires which reach a ground, the sender on the water tube and cold start valve on the throttle body is still available new from BMW.

The part number is 61 12 1 354 671 and the current list price is $62.00. It is shown as item 13 below


Comment of Jim Gerock (2008-06-29 16:23:25): The protective rubber boot for the 2-prong connector is # 61-13 1 352 793 from BMW (Mobile Tradition). For some strange reason, it’s not listed for the tii, but under the 3.0 series cars. My thanks to Bill Williams for this tip.

2002 Circuit Basics

We have all seen numbers on the 2002’s terminals and wire numbers on schematics and perhaps thought nothing about it. It probably comes as no surprise to learn the numbering is actually part of a German industrial standard and is used on all German cars as well as vehicles produced elsewhere.

Let’s keep this simple and point out a few basics for you to remember. Circuit/Contact 1  Lead to ignition points 15  Switched battery voltage — through ignition switch 30  Unswitched battery voltage 31  Ground return 50  Starter solenoid cranking switched voltage Ground wires are usually brown And for Bosch Ignition Coils – If the letter “W’ is stamped on the bottom of the coil, it must be used with a ballast resistor. Last update: 2006-12-06 23:55 Author: tiiregister