Yet another car won't start thread. FIXED!, No click, no starter spin, nothing Options

[Jakeodoule]

76 2.0 stock FI
Lucky for me its in my garage. Last time I drove it, it was all smiles!
When I turn the key the FI charges and all lights seem normal.
I get no click from the starter and no spin.

Starter is less than 3000 miles old and was working fine. If I jump the terminals on the starter it spins.
I have a solid AGM battery, 13 volts to starter on big power line.
All fuses are good and wiring harness is totally stock and unmolested.
I get no power to the brown wire on the starter soleniod when the key is turned.
Is there a relay for this?
(IMG:style_emoticons/default/WTF.gif)

BTW I did do a search but most info is related to cranking but not starting.
Any ideas?

[aircooledtechguy]

There is a Bosch starter relay kit P/N WR1 that fixes this mystery "no-click no nothing" thing in both VWs and Porsches. If you hit the key in the start position and you get nothing, but the dash lights dim slightly, you are having a power loss at the solenoid. This relay kit basically makes it so the current required to make the solenoid engage, does not have to go all the way forward to the key and all the way back to the solenoid. Resistance in the wires occurs with age (corrosion maybe?) and makes this problem intermittent at first; then you can't get it started at all. With the relay kit installed, you only have to have enough current to click the relay keeping all the current back at the starter. Viola!! No starting problems. I install a lot of these on the old cars I work on. Fixes this problem every time.

You can get/order one of these at any European car repair shop.